Question

8(7-4y)+5(8y-1)=18+7(4y-1)

Answer 1

8(7-4y)+5(8y-1)=18+7(4y-1)
56-32y+40y-5=18+28y-7
8y+51=11+28y
28y-8y=51-11
20y=40
y=40:20
y=2

Answer 2

спасибо!))