-135-8x=9x+21

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Solution for -135-8x=9x+21 equation:


Simplifying
-135 + -8x = 9x + 21

Reorder the terms:
-135 + -8x = 21 + 9x

Solving
-135 + -8x = 21 + 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.
-135 + -8x + -9x = 21 + 9x + -9x

Combine like terms: -8x + -9x = -17x
-135 + -17x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-135 + -17x = 21 + 0
-135 + -17x = 21

Add '135' to each side of the equation.
-135 + 135 + -17x = 21 + 135

Combine like terms: -135 + 135 = 0
0 + -17x = 21 + 135
-17x = 21 + 135

Combine like terms: 21 + 135 = 156
-17x = 156

Divide each side by '-17'.
x = -9.176470588

Simplifying
x = -9.176470588

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