Solve 20x-8y+168=0

$$20 x - 8 y + 168 = 0$$

Solve for x

$$x=\frac{2\left(y-21\right)}{5}$$

Steps for Solving Linear Equation

Add 8y to both sides. Anything plus zero gives itself.

$$20x+168=8y$$

Subtract 168 from both sides.

$$20x=8y-168$$

Divide both sides by 20.

$$\frac{20x}{20}=\frac{8y-168}{20}$$

Dividing by 20 undoes the multiplication by 20.

$$x=\frac{8y-168}{20}$$

Divide -168+8y by 20.

$$x=\frac{2y-42}{5}$$

Solve for y

$$y=\frac{5x}{2}+21$$

Steps for Solving Linear Equation

Subtract 20x from both sides. Anything subtracted from zero gives its negation.

$$-8y+168=-20x$$

Subtract 168 from both sides.

$$-8y=-20x-168$$

Divide both sides by -8.

$$\frac{-8y}{-8}=\frac{-20x-168}{-8}$$

Dividing by -8 undoes the multiplication by -8.

$$y=\frac{-20x-168}{-8}$$

Divide -20x-168 by -8.

$$y=\frac{5x}{2}+21$$