-12x-55=20-9x

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Solution for -12x-55=20-9x equation:


Simplifying
-12x + -55 = 20 + -9x

Reorder the terms:
-55 + -12x = 20 + -9x

Solving
-55 + -12x = 20 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-55 + -12x + 9x = 20 + -9x + 9x

Combine like terms: -12x + 9x = -3x
-55 + -3x = 20 + -9x + 9x

Combine like terms: -9x + 9x = 0
-55 + -3x = 20 + 0
-55 + -3x = 20

Add '55' to each side of the equation.
-55 + 55 + -3x = 20 + 55

Combine like terms: -55 + 55 = 0
0 + -3x = 20 + 55
-3x = 20 + 55

Combine like terms: 20 + 55 = 75
-3x = 75

Divide each side by '-3'.
x = -25

Simplifying
x = -25

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