Question

Solve y = x2 +7 for x.

Answer 1

`\huge\boxed{x=√(y-7)}`

We are trying to isolate
`x`. Subtract
`7` from both sides.
`y-7=x^2`

Find the square root of both sides.
`\boxed{√(y-7)}=x`

Note: I've attached a graph of
`y=x^2 +7`.