Question

resolva a equação 3(x-2)-5(x-1)=-7

Answer 1

Resposta:

$3(x - 2) - 5(x - 1) = - 7$

$3x - 6 - 5x + 5 = - 7$

$3x - 5x = - 7 + 6 - 5$

$- 2x = - 6$

$2x = 6$

$x = 3$