4x+3x+x=120

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Solution for 4x+3x+x=120 equation: 


Simplifying
4x + 3x + x = 120

Combine like terms: 4x + 3x = 7x
7x + x = 120

Combine like terms: 7x + x = 8x
8x = 120

Solving
8x = 120

Solving for variable 'x'.

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

Divide each side by '8'.
x = 15

Simplifying
x = 15

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