Question

Solve for y in the following equation.

Answer 1

`y = (z^2 - x)/(2)`

Explanation:

Given:

`√(x + 2y) = z`

Required:

Solve for y (make y the subject of the formula)

SOLUTION:

`√(x + 2y) = z`

Square both sides

`(√(x + 2y))^2 = z^2`

`x + 2y = z^2`

Subtract both sides by x

`2y = z^2 - x`

Divide both sides by 2

`y = (z^2 - x)/(2)`