А) 10-7x=x+26 б) 2-3 (2x+5)=(3x-15)-6

А) -7х-х=26-10
-8х=16 | : (-8)
Х=-2
б) 2-6х-15=3х-15-6
-6х-3х=-15-6-2+15
-9х=-8 | : (-9)
Х=8/9

10-7x=x+26

10-26=x+7x

-16=8x

x=-2

2-3 (2х+5)= (3х-15)-6

2-6х-15=3х-15-6

2-6х=3х-6

-6х-3х=-6-2

-9х=-8

х=8/9