Question

 решите уравнение 4x+7=-28-x

Answer 1

4x+7=-28x-x 4x+x=-28-7 5x=-35 x=-35:5 x=-7

Answer 2

$4x+7=-28-x$
$4x=-x-28$
$5x=-35$
$x=-7$
$Otvet:-7$