Question

1)8х-90-168=-322 

2) 16с+20=7с+14

3)-4у-9=-2у-21

4)(12,5-х):5=(3,6+х):6

Answer 1

1) =8x=-322+90+168
8x=-64
x=-648=-8
2) 16c-7c=14-20
9c=-6
c=-69=-23
3) -4y+2y=-21+9
-2y=-12
y=-12-2=6