Question

Solve for m: 3m + 7 =13

Answer 1

We minus both sides by 7 :
3m = 13 - 7 = 6

We divide both sides by 3 now :

3m/3 = 6/3 -> m = 2.

Answer 2

First step: subtract 7 to both sides:

3m+7-7=13-7

3m=13-7

3m=6

Second step: Divide both sides by 3:

3/3m=6/3

m=2