3x+x+6x=120

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Solution for 3x+x+6x=120 equation: 


Simplifying
3x + x + 6x = 120

Combine like terms: 3x + x = 4x
4x + 6x = 120

Combine like terms: 4x + 6x = 10x
10x = 120

Solving
10x = 120

Solving for variable 'x'.

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

Divide each side by '10'.
x = 12

Simplifying
x = 12

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