Question

1.УРАВНЕНИЯ 2.УРАВНЕНИЯ
6(-2-X)+8X=9 8X+5(6-7X)= -7X+10

Answer 1

-12-6х+8х=9;
2х=9+12;
2х=21;
х=21/2;
х=10,5.

8х+30-35х=-7х+10;
-8х-7х+35х=30-10;
20х=20;
х=1.