-8(-2x-9)=20-12x

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Solution for -8(-2x-9)=20-12x equation: 


Simplifying
-8(-2x + -9) = 20 + -12x

Reorder the terms:
-8(-9 + -2x) = 20 + -12x
(-9 * -8 + -2x * -8) = 20 + -12x
(72 + 16x) = 20 + -12x

Solving
72 + 16x = 20 + -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.
72 + 16x + 12x = 20 + -12x + 12x

Combine like terms: 16x + 12x = 28x
72 + 28x = 20 + -12x + 12x

Combine like terms: -12x + 12x = 0
72 + 28x = 20 + 0
72 + 28x = 20

Add '-72' to each side of the equation.
72 + -72 + 28x = 20 + -72

Combine like terms: 72 + -72 = 0
0 + 28x = 20 + -72
28x = 20 + -72

Combine like terms: 20 + -72 = -52
28x = -52

Divide each side by '28'.
x = -1.857142857

Simplifying
x = -1.857142857

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