12-8x=9x+20

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Solution for 12-8x=9x+20 equation:


Simplifying
12 + -8x = 9x + 20

Reorder the terms:
12 + -8x = 20 + 9x

Solving
12 + -8x = 20 + 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.
12 + -8x + -9x = 20 + 9x + -9x

Combine like terms: -8x + -9x = -17x
12 + -17x = 20 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -17x = 20 + 0
12 + -17x = 20

Add '-12' to each side of the equation.
12 + -12 + -17x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -17x = 20 + -12
-17x = 20 + -12

Combine like terms: 20 + -12 = 8
-17x = 8

Divide each side by '-17'.
x = -0.4705882353

Simplifying
x = -0.4705882353

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