Помогите плиз 5*(2+3у)-4=7у-10

Question

Помогите плиз
5*(2+3у)-4=7у-10

Answer 1

10+15у-4=7у-10
15у-7у=-10-10+4
8у=-16
у=-2

Answer 2

=
10+15y-4=7y-10
15y-7y=-10-10+4
8y=-16
y=-2