-9(x-4)-9=-12(x+1)

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Solution for -9(x-4)-9=-12(x+1) equation:


Simplifying
-9(x + -4) + -9 = -12(x + 1)

Reorder the terms:
-9(-4 + x) + -9 = -12(x + 1)
(-4 * -9 + x * -9) + -9 = -12(x + 1)
(36 + -9x) + -9 = -12(x + 1)

Reorder the terms:
36 + -9 + -9x = -12(x + 1)

Combine like terms: 36 + -9 = 27
27 + -9x = -12(x + 1)

Reorder the terms:
27 + -9x = -12(1 + x)
27 + -9x = (1 * -12 + x * -12)
27 + -9x = (-12 + -12x)

Solving
27 + -9x = -12 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
27 + -9x + 12x = -12 + -12x + 12x

Combine like terms: -9x + 12x = 3x
27 + 3x = -12 + -12x + 12x

Combine like terms: -12x + 12x = 0
27 + 3x = -12 + 0
27 + 3x = -12

Add '-27' to each side of the equation.
27 + -27 + 3x = -12 + -27

Combine like terms: 27 + -27 = 0
0 + 3x = -12 + -27
3x = -12 + -27

Combine like terms: -12 + -27 = -39
3x = -39

Divide each side by '3'.
x = -13

Simplifying
x = -13

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