11x-7y-x-y 5+b+6(2b-1)(3m-2)-(m+4)-2x-(4x-5)+(7x-2) при x=-2

Question

11x-7y-x-y
5+b+6(2b-1)
(3m-2)-(m+4)
-2x-(4x-5)+(7x-2) при x=-2

Answer 1

-2x-4x+5+7x-2
7x-2x-4x+5-2=0
x=4-2
x=2
ответ 2