Question

How do you solve 5+y=7

Answer 1

5 + y = 7    subtract 5 from both sides

5 - 5 + y = 7 - 5

y = 2

Answer 2

In order to solve 5 + y = 7 you have to find the value of (y). In this case you could reverse do problem and do 7 - 5 to get the value of y. 7 - 5 = 2, which means y is equal to 2.