Question

1,6x-(x-18)=(36+4x)+(18-6)

Answer 1

$1.6x - x + 18 = 36 + 4 \times + 12 \\ 0.6x + 18 = 48 + 4x \\ 0.6x - 4x = 48 - 18 \\ - 3.4x = 30 \\ x = - \frac {150}{17}$