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#