6х-3 (5х+4)-2(7х-3)=-6

Question

6х-3 (5х+4)-2(7х-3)=-6

Answer 1

6х - 15х - 12 - 14х + 6 = - 6
- 23х = 12
х = - 12/23

Answer 2

5x-(6x-(7x-8x+9))=
5x-(6x-7x+8x-9)=
5x-6x+7x-8x+9=
9-2x