Precalculus Examples

$x - 8 y - 5 = 0$

Step 1

Move all terms not containing $x$ to the right side of the equation.

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Step 1.1

Add $8 y$ to both sides of the equation.

$x - 5 = 8 y$

Step 1.2

Add $5$ to both sides of the equation.

$x = 8 y + 5$

Step 2

To rewrite as a function of $y$ , write the equation so that $x$ is by itself on one side of the equal sign and an expression involving only $y$ is on the other side.

$f (y) = 8 y + 5$