Question

решите уравнение 9-3(3-x)=7+5x

Answer 1

9-9+3х=7+5х
3х-5х=7
-2х=7
х=-3,5

Answer 2

9 - 3( 3 - Х ) = 7 + 5х
9 - 9 + 3х = 7 + 5х
3х = 7 + 5х
5х - 3х = - 7
2х = - 7
Х = - 3,5