1. 3n+5=6
Subtract 5 by both sides to get 3n=1.
Divide both sides by 3 to get n by itself which will result in n=1/3.
2.4+5x=1
Subtract 4 by both sides to get 5x=-3
Divide both sides by 5 to get x=-3/5.
3.4y-15=-10
Add 15 to both sides to get 4y=5
Divide both sides by 4 to get y=5/4
4.3-4d=13
Subtract both sides by 3 to get -4d=10
Divide both sides by -4 to get d=-10/4
5.8=9x-7
Add both sides by 7 to get 15=9x
Divide both sides by 9 to get x=15/9