Question

Resolva a equação de primeiro grau 2.(2x-4)=5-x/2-4

Answer 1

2·(2x-4)=5-x/2-4
4x-8 = 5-x/-2
-2·(4x-8) = 5-x
-8x+16 = 5-X
-8x + x = 5-16
-7x = -11
7x = 11
x = 11/7