Solving Equations for Expressions Examples

What do we get when we solve for 3x in the equation 9x + 4y = y² – 2?

First, we get the x terms by themselves:

9x = y² – 2 – 4y

Since we have 9x and we want 3x, we need to divide both sides by 3:

That's all we need to do. Our solution is cluttered, but it's still a solution.