Question

{-6(4-х)+4(у+5)=2
{11 (1+х)-9(7-у)=-36

Answer 1

$- 24 + 6x + 4y + 20 = 2 \\ 11 + 11x - 63 + 9y = - 36$
$6x + 4y = 6 \\ 11x + 9y = 88$
$4y = 1 \\ 9y = 8$

Answer 2

Решение во вложении