Question

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

Answer 1

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

(2x + 8 - x)/3 = x - 1

multiplica cruzado

3(x - 1) = 2x + 8 - x

3x - 3 = 2x + 8 - x

3x - 2x + x = 8 + 3

2x = 12

x = 12/2

x = 6