How do you solve \frac { x } { 2} + 7= 13?

1 Answer
Dec 16, 2016

x=12

Explanation:

x/2+7=13

Your goal is to keep x alone in one side

Subtract 7 from both sides

x/2cancel(+7color(red)(-7))=13color(red)(-7)

x/2=6

Multiply both sides by 2

x/cancel2cancel(color(red)((2)))=6color(red)((2))

x=12