3x+12+x-12=180

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Solution for 3x+12+x-12=180 equation: 


Simplifying
3x + 12 + x + -12 = 180

Reorder the terms:
12 + -12 + 3x + x = 180

Combine like terms: 12 + -12 = 0
0 + 3x + x = 180
3x + x = 180

Combine like terms: 3x + x = 4x
4x = 180

Solving
4x = 180

Solving for variable 'x'.

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

Divide each side by '4'.
x = 45

Simplifying
x = 45

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