Question

como resolve essa 
7(2+x)=35+5(x-1,2)

Answer 1

7(2+x)=35+5(x-1,2)
14+7x=35+5x-6
2x=15
x=15/2
x=7,5

Answer 2

$7(2+x)=35+5(x-1,2)\\\\\\ 14+7x = 35+5x-6\\\\\ 7x-5x = 35-6-14\\\\ 2x = 15\\\\ x =\frac{15}{2}\\\\ \boxed{x = 7,5}$