8x+9-12x=4x-13-9

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Solution for 8x+9-12x=4x-13-9 equation:


Simplifying
8x + 9 + -12x = 4x + -13 + -9

Reorder the terms:
9 + 8x + -12x = 4x + -13 + -9

Combine like terms: 8x + -12x = -4x
9 + -4x = 4x + -13 + -9

Reorder the terms:
9 + -4x = -13 + -9 + 4x

Combine like terms: -13 + -9 = -22
9 + -4x = -22 + 4x

Solving
9 + -4x = -22 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
9 + -4x + -4x = -22 + 4x + -4x

Combine like terms: -4x + -4x = -8x
9 + -8x = -22 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + -8x = -22 + 0
9 + -8x = -22

Add '-9' to each side of the equation.
9 + -9 + -8x = -22 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = -22 + -9
-8x = -22 + -9

Combine like terms: -22 + -9 = -31
-8x = -31

Divide each side by '-8'.
x = 3.875

Simplifying
x = 3.875

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