Question

Resolva a equação: 2 • ( x - 1) sobre 3 + x + 2 = 1 sobre 2

Answer 1

2( x - 1 )/ 3 + x + 2 = 1/2
2x-2/3 + x + 2 = 1/2
4x-4/6 + 6x/6 + 12/6 = 3/6
4x - 4 + 6x + 12 = 3 
10x + 8 = 3
10x = 3 - 8
10x = -5
x = -5/10
x = -1/2