12-3x-4=9x-8x

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Solution for 12-3x-4=9x-8x equation:


Simplifying
12 + -3x + -4 = 9x + -8x

Reorder the terms:
12 + -4 + -3x = 9x + -8x

Combine like terms: 12 + -4 = 8
8 + -3x = 9x + -8x

Combine like terms: 9x + -8x = 1x
8 + -3x = 1x

Solving
8 + -3x = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8 + -3x + -1x = 1x + -1x

Combine like terms: -3x + -1x = -4x
8 + -4x = 1x + -1x

Combine like terms: 1x + -1x = 0
8 + -4x = 0

Add '-8' to each side of the equation.
8 + -8 + -4x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4x = 0 + -8
-4x = 0 + -8

Combine like terms: 0 + -8 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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