3x+159=12x-12

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Solution for 3x+159=12x-12 equation:


Simplifying
3x + 159 = 12x + -12

Reorder the terms:
159 + 3x = 12x + -12

Reorder the terms:
159 + 3x = -12 + 12x

Solving
159 + 3x = -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.
159 + 3x + -12x = -12 + 12x + -12x

Combine like terms: 3x + -12x = -9x
159 + -9x = -12 + 12x + -12x

Combine like terms: 12x + -12x = 0
159 + -9x = -12 + 0
159 + -9x = -12

Add '-159' to each side of the equation.
159 + -159 + -9x = -12 + -159

Combine like terms: 159 + -159 = 0
0 + -9x = -12 + -159
-9x = -12 + -159

Combine like terms: -12 + -159 = -171
-9x = -171

Divide each side by '-9'.
x = 19

Simplifying
x = 19

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