6+8x=9x-9

Solution for 6+8x=9x-9 equation:

Simplifying
6 + 8x = 9x + -9

Reorder the terms:
6 + 8x = -9 + 9x

Solving
6 + 8x = -9 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
6 + 8x + -9x = -9 + 9x + -9x

Combine like terms: 8x + -9x = -1x
6 + -1x = -9 + 9x + -9x

Combine like terms: 9x + -9x = 0
6 + -1x = -9 + 0
6 + -1x = -9

Add '-6' to each side of the equation.
6 + -6 + -1x = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = -9 + -6
-1x = -9 + -6

Combine like terms: -9 + -6 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15