уравнения 5x+11-(6+2x)=(3-x)-7

Question

уравнения 5x+11-(6+2x)=(3-x)-7

Answer 1

5x+11-(6+2x)=(3-x)-7 ; 5х+11-6-2х=3-х-7 ; 5х+х=-5-4 ;4х=9; х=2,25

Answer 2

5х + 11 - ( 6 + 2х ) = ( 3 - х ) - 7
5х + 11 - 6 - 2х = 3 - х - 7
3х + 5 = - 4 - х
4х = - 9
х = - 2,25