(2x+120)+x=360

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Solution for (2x+120)+x=360 equation:


Simplifying
(2x + 120) + x = 360

Reorder the terms:
(120 + 2x) + x = 360

Remove parenthesis around (120 + 2x)
120 + 2x + x = 360

Combine like terms: 2x + x = 3x
120 + 3x = 360

Solving
120 + 3x = 360

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 3x = 360 + -120

Combine like terms: 120 + -120 = 0
0 + 3x = 360 + -120
3x = 360 + -120

Combine like terms: 360 + -120 = 240
3x = 240

Divide each side by '3'.
x = 80

Simplifying
x = 80

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