Solve for x 9x-99=18x

$9 x - 99 = 18 x$

Step 1

Move all terms containing $x$ to the left side of the equation.

Subtract $18 x$ from both sides of the equation.

$9 x - 99 - 18 x = 0$

Subtract $18 x$ from $9 x$ .

$- 9 x - 99 = 0$

Step 2

Add $99$ to both sides of the equation.

$- 9 x = 99$

Step 3

Divide each term in $- 9 x = 99$ by $- 9$ and simplify.

Divide each term in $- 9 x = 99$ by $- 9$ .

$\frac{- 9 x}{- 9} = \frac{99}{- 9}$

Simplify the left side.

Cancel the common factor of $- 9$ .

Cancel the common factor.

$\frac{- 9 x}{- 9} = \frac{99}{- 9}$

Divide $x$ by $1$ .

$x = \frac{99}{- 9}$

Simplify the right side.

Divide $99$ by $- 9$ .

$x = - 11$