Question

How do you solve `\sqrt { 8y + 7} - \sqrt { 7y + 12} = 0`?

Answer 1

I got `y=5`

Explanation:

Let us rearrange and square both sides:

`sqrt(8y+7)=sqrt(7y+12)`

`[sqrt(8y+7)]^2=[sqrt(7y+12)]^2`

`8y+7=7y+12`

`8y-7y=12-7`

`y=5`