Question

Решить уравнения , помогите пожалуйста

Answer 1

$6x - 12 = 4x - 8$
$6x - 4x = 12 - 8$
$2x = 4$
$x = 4 / 2$
$x = 2$
======================
$5y - 8 = 2y - 5$
$5y - 2y = 8-5$
$3y=3$
$y=1$
======================
$7-2(x+3)=9-6x$
$7-2x-6=9-6x$
$-2x+6x=9-7+6$
$4x=8$
$x=8/4$
$x=2$