Question

Resolva a equação
X+3 = 2(x-1/2)

Answer 1

x + 3 = 2(x - 1/2)
x + 3 = 2x - 2/2
x + 3 = 2x - 1
3 + 1 = 2x - x
       4= x 
                       x = 4

Answer 2

x+3=2.(x-1/2) (realize a prop. distributiva)
x+3=2x-2.1/2 (multiplique 2.1/2)
x+3=2x-1
3+1=2x-x
x=4