Answer:
Part 1)
![x\geq10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/khaxgsjiekw08r9c1rph8unbcupw7k70x8.png)
Part 2)
Part 3)
![p\geq 5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/jf176220oxz2gn1pmxbe9wu5b15qnqcm8x.png)
Part 4)
Part 5)
![b<-10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/z2rc6dbkf4gl769ul20js8nr5s0f0ahy88.png)
Part 6)
![n<5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/e0hx0spqe39aovgp1zpxb0ih387ijmid5p.png)
Part 7)
Part 8)
![r\leq 4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zpc10x8p40152vhltzfq7lseuvi4et1d6l.png)
Part 9)
![x\geq 7](https://img.qammunity.org/2020/formulas/mathematics/middle-school/lqbyzyluhdk0x926cxiald9uy7mdti4mqc.png)
Part 10)
![p\leq 0](https://img.qammunity.org/2020/formulas/mathematics/middle-school/83swiy3033khzghs39rlgu2h6b371vql4e.png)
Part 11)
Part 12)
![a > 24](https://img.qammunity.org/2020/formulas/mathematics/middle-school/4zwfapltumglanqg7gf567et6ladsehkeq.png)
Explanation:
Part 1)
Subtract 4 both sides
![2x\geq24-4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/86g3mpdaknnk1r8tfly1erbjqim0ly297o.png)
![2x\geq20](https://img.qammunity.org/2020/formulas/mathematics/middle-school/w65ejaoevpebhlwx9el5rsudeuxizwl3bw.png)
Divide by 2 both sides
![x\geq10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/khaxgsjiekw08r9c1rph8unbcupw7k70x8.png)
the solution is the interval ------> [10,∞)
The solution is the shaded area to the right of the solid line at number 10 (closed circle).
see the attached figure
Part 2)
Adds 3 both sides
Multiply by 3 both sides
the solution is the interval ------> (-∞,-9]
The solution is the shaded area to the left of the solid line at number -9 (closed circle).
see the attached figure
Part 3)
applying the distributive property left side
adds 3 both sides
Multiply by -1 both sides
![3p\geq 15](https://img.qammunity.org/2020/formulas/mathematics/middle-school/x1kz84ldw0ktovr84zkuxx5mhuwsxh26pl.png)
Divide by 3 both sides
![p\geq 5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/jf176220oxz2gn1pmxbe9wu5b15qnqcm8x.png)
the solution is the interval ------> [5,∞)
The solution is the shaded area to the right of the solid line at number 5 (closed circle).
see the attached figure
Part 4)
applying the distributive property left side
Subtract 16 both sides
Multiply by -1 both sides
Divide by 4 both sides
the solution is the interval ------> (-∞,-10)
The solution is the shaded area to the left of the dashed line at number -10 (open circle).
see the attached figure
Part 5)
![-b-2>8](https://img.qammunity.org/2020/formulas/mathematics/middle-school/cweusg75w7ekbwxy01xq67hiozmeay976i.png)
adds 2 both sides
![-b>8+2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/f4vp2gzn8s6556ij5n9re7rvmq94if9twa.png)
![-b>10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ar9ar0w4p6nzeb1c4epve44nmmgdaxemed.png)
Multiply by -1 both sides
![b<-10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/z2rc6dbkf4gl769ul20js8nr5s0f0ahy88.png)
the solution is the interval ------> (-∞,-10)
The solution is the shaded area to the left of the dashed line at number -10 (open circle).
Part 6)
![-4(3+n)>-32](https://img.qammunity.org/2020/formulas/mathematics/middle-school/9mnx0ml7n2nqxc6c9b26i9hau388xbgjpl.png)
applying the distributive property left side
![-12-4n>-32](https://img.qammunity.org/2020/formulas/mathematics/middle-school/qkka1duyt68yix5ozs4fpsqntnya0p90xj.png)
adds 12 both sides
![-4n>-32+12](https://img.qammunity.org/2020/formulas/mathematics/middle-school/6atucxfsv8o4z3b695wz012kt27kiovixk.png)
![-4n>-20](https://img.qammunity.org/2020/formulas/mathematics/middle-school/41m8pczb4114ke69r76mjwpg1wpi0mwfnh.png)
multiply by -1 both sides
![4n<20](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3y7kedcjuy27awks6z0kl9o7hznhfgs4bi.png)
divide by 4 both sides
![n<5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/e0hx0spqe39aovgp1zpxb0ih387ijmid5p.png)
the solution is the interval ------> (-∞,5)
The solution is the shaded area to the left of the dashed line at number 5 (open circle).
see the attached figure
Part 7)
Subtract 4 both sides
Multiply by 3 both sides
the solution is the interval ------> (-∞,6)
The solution is the shaded area to the left of the dashed line at number 6 (open circle).
see the attached figure
Part 8)
applying the distributive property left side
subtract 12 both sides
divide by -1 both sides
![3r\leq 12](https://img.qammunity.org/2020/formulas/mathematics/middle-school/9evyr4m8fnwxowsvdmkzmr2k6q29sl0tzp.png)
divide by 3 both sides
![r\leq 4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zpc10x8p40152vhltzfq7lseuvi4et1d6l.png)
the solution is the interval ------> (-∞,4]
The solution is the shaded area to the left of the solid line at number 4 (closed circle).
see the attached figure
Part 9)
Adds 7 both sides
Multiply by -1 both sides
![7x\geq 49](https://img.qammunity.org/2020/formulas/mathematics/middle-school/eldu9e7mm3gdyalbg4fv68fxkoo80xrcfj.png)
Divide by 7 both sides
the solution is the interval ------> [7,∞)
The solution is the shaded area to the right of the solid line at number 7 (closed circle).
see the attached figure
Part 10)
applying the distributive property left side
subtract 21 both sides
Multiply by -1 both sides
![3p\leq 0](https://img.qammunity.org/2020/formulas/mathematics/middle-school/pg6je9w7xlccubqkbt3ulbja80xjigwtu1.png)
![p\leq 0](https://img.qammunity.org/2020/formulas/mathematics/middle-school/83swiy3033khzghs39rlgu2h6b371vql4e.png)
the solution is the interval ------> (-∞,0]
The solution is the shaded area to the left of the solid line at number 0 (closed circle).
see the attached figure
Part 11)
Adds 4 both sides
Multiply by -1 both sides
Divide by 11 both sides
the solution is the interval ------> (-∞,1)
The solution is the shaded area to the left of the dashed line at number 1 (open circle).
see the attached figure
Part 12)
Multiply by 15 both sides
![-9+a > 15](https://img.qammunity.org/2020/formulas/mathematics/middle-school/fr71x4yh2u1wa7ftxt0x3mne2ghci50yfv.png)
Adds 9 both sides
![a > 15+9](https://img.qammunity.org/2020/formulas/mathematics/middle-school/prhwh6a4icmu9x9b525xbtk8rf14k1mmve.png)
![a > 24](https://img.qammunity.org/2020/formulas/mathematics/middle-school/4zwfapltumglanqg7gf567et6ladsehkeq.png)
the solution is the interval ------> (24,∞)
The solution is the shaded area to the right of the dashed line at number 24 (open circle).
see the attached figure