x+45+2x-9=180

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


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

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

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

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

Solving
36 + 3x = 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 + 3x = 180 + -36

Combine like terms: 36 + -36 = 0
0 + 3x = 180 + -36
3x = 180 + -36

Combine like terms: 180 + -36 = 144
3x = 144

Divide each side by '3'.
x = 48

Simplifying
x = 48

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