Question

How do you solve `3sqrt(y+3) = 3sqrt(2y-7)` and find any extraneous solutions?

Answer 1

y=10

Explanation:

Square both sides,

`9(y+3)=9(2y-7)`
`9y+27=18y-63`
`18y-9y=27+63`
`9y=90`
`y=10`