8x-5x-4+9=x+x+3-12

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Solution for 8x-5x-4+9=x+x+3-12 equation:


Simplifying
8x + -5x + -4 + 9 = x + x + 3 + -12

Reorder the terms:
-4 + 9 + 8x + -5x = x + x + 3 + -12

Combine like terms: -4 + 9 = 5
5 + 8x + -5x = x + x + 3 + -12

Combine like terms: 8x + -5x = 3x
5 + 3x = x + x + 3 + -12

Reorder the terms:
5 + 3x = 3 + -12 + x + x

Combine like terms: 3 + -12 = -9
5 + 3x = -9 + x + x

Combine like terms: x + x = 2x
5 + 3x = -9 + 2x

Solving
5 + 3x = -9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
5 + 3x + -2x = -9 + 2x + -2x

Combine like terms: 3x + -2x = 1x
5 + 1x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
5 + 1x = -9 + 0
5 + 1x = -9

Add '-5' to each side of the equation.
5 + -5 + 1x = -9 + -5

Combine like terms: 5 + -5 = 0
0 + 1x = -9 + -5
1x = -9 + -5

Combine like terms: -9 + -5 = -14
1x = -14

Divide each side by '1'.
x = -14

Simplifying
x = -14

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