2x-18+x+42+x=180

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Solution for 2x-18+x+42+x=180 equation:


Simplifying
2x + -18 + x + 42 + x = 180

Reorder the terms:
-18 + 42 + 2x + x + x = 180

Combine like terms: -18 + 42 = 24
24 + 2x + x + x = 180

Combine like terms: 2x + x = 3x
24 + 3x + x = 180

Combine like terms: 3x + x = 4x
24 + 4x = 180

Solving
24 + 4x = 180

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + 4x = 180 + -24

Combine like terms: 24 + -24 = 0
0 + 4x = 180 + -24
4x = 180 + -24

Combine like terms: 180 + -24 = 156
4x = 156

Divide each side by '4'.
x = 39

Simplifying
x = 39

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