Question

How do you solve `3y + 6- 5y = 21- y`?

Answer 1

`y=-15`

Explanation:

`3y+6-5y=21-y`

`or, 3y+y+6-5y=21-y+y`

`or, 4y-5y+6=21`

`or, -y+6-6=21-6`

`or, -y=15`

`or, y=-15`