Question

Solve The Problems

1. x - 7 > 10
A- x > 3
B- x > 7
C- x > 17
D- x > 70

2. 3x ≤ 21
A- x ≤ 7
B- x ≥ 7
C- x ≤ 18
D- x ≥ 18
----------------------------
3. 5a - 2 < 18
a<?
A- 20
B- 4
C- 3
D- 100

4. 2t + 8 ≥ -4 (t + 1)
t ≥ ?
A- 
`-(7)/(6)`
B- -2
C- -6
D- 2

Thank you if you help <3

Answer 1

1. C
2. B
3. B
4. D
i think 4 might be wrong tho.

Answer 2

x - 7 > 10
x > 10 + 7
x > 17

3x < = 21
x < = 21/3
x < = 7

5a - 2 < 18
5a < 18 + 2
5a < 20
a < 20/5
a < 4

2t + 8 > = -4 (t + 1)
2t + 8 > = -4t - 4
2t + 4t > = -4 - 8
6t > = - 12
t > = -12/6
t > = -2