3x-42+x+42=180

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Solution for 3x-42+x+42=180 equation: 


Simplifying
3x + -42 + x + 42 = 180

Reorder the terms:
-42 + 42 + 3x + x = 180

Combine like terms: -42 + 42 = 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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