Question

resolva a equação: x+3(1-x)-4=(x+1)-(2x-95)

Answer 1

Resposta:

$x + 3 \times (1 - x) - 4 = (x + 1) - (2x - 95) \\ x + 3 - 3x - 4 = x + 1 - 2x + 95 \\ - 2x - 1 = - x + 96 \\ - 2x - 1 + x - 96 = 0 \\ - x - 97 = 0 \\ - x = 97 \times ( - 1) \\ x = - 97$