Question

5(2 + Зу) - 4 = 7у - 10.

Answer 1

5( 2 + 3у ) - 4 = 7у - 10
10 + 15у - 4 = 7у - 10
15у + 6 = 7у - 10
15у - 7у = - 6 - 10
8у = - 16
у = - 2

Answer 2

спс

Answer 3

10 + 15y-4=7y-10
8y=4
y=4/8
y=0.5