Respuesta :

jsff42
First, set up your equation.

_(x+4)_ = 7      
     2

multiply both sides by 2 to cross out the 2 on the bottom

_(x+4)_ *2 = 7*2
     2

x+4 =14 

subtract 4 from both sides 

x+4= 14 
-4       -4 

x=10