Решите уравнения а)2х+7= -3 б) -7х-2х+3= -3 в) 8-3/5х=17 г) -3х+2=11 д) -6х+9х+15= -3 е) 5-2/5х=11

2х + 7 = - 3 2х = -3 - 7 2х = - 10 х = - 5 ------------------------ - 7х - 2х + 3 = - 3 -9х = -3 - 3 9х = 6 х = 6/9 = 2/3 ------------------------ 8 - 3/5х = 17 3/5х = 8 - 17 3/5х = - 9 х = - 9 : 3/5 х = - 15 --------------------- - 3х + 2 = 11 -3х = 11 - 2 -3х = 9 х = - 3 --------------------- -6х + 9х + 15 = - 3 3х + 15 = - 3 3х = -3 - 15 3х = - 18 х = - 6 --------------------- 5 - 2/5х = 11 2/5х = 5 - 11 2/5х = - 6 х = - 15