2x-9+x+45+x=180

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Solution for 2x-9+x+45+x=180 equation: 


Simplifying
2x + -9 + x + 45 + x = 180

Reorder the terms:
-9 + 45 + 2x + x + x = 180

Combine like terms: -9 + 45 = 36
36 + 2x + x + x = 180

Combine like terms: 2x + x = 3x
36 + 3x + x = 180

Combine like terms: 3x + x = 4x
36 + 4x = 180

Solving
36 + 4x = 180

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 4x = 180 + -36

Combine like terms: 36 + -36 = 0
0 + 4x = 180 + -36
4x = 180 + -36

Combine like terms: 180 + -36 = 144
4x = 144

Divide each side by '4'.
x = 36

Simplifying
x = 36

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