Question

Помогите!
1)-10x+7= - x
2)-x-7= - 4x
3)-2x-10= - 9x
4)-10x+8= - x
5)-x-4= - 10x

Answer 1

1)-10x+7=-x
-10x+x=-7
-9x=-7
x=7/9
2)-x+4x=7
3x=7
x=7/3=2 1/3
3)-2x+9x=10
7x=10
x=10/7=13/7
4)-10x+x=-8
-9x=-8
x=8/9
5)9x=4
x=4/9