Question

3x + [-5x-(x+3)]=8x+(-5x-4)

Answer 1

3x + [-5x-(x+3)] = 8x+(-5x-4)
3x + [-5x-x-3] = 8x-5x-4
3x - 5x-x-3 = 3x-4
-3x-3 = 3x-4
-3x-3x = -4+3
-6x = -1
x = -1/-6
x = 1/6

Saludos...............