x+x+7x=180

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Solution for x+x+7x=180 equation: 


Simplifying
x + x + 7x = 180

Combine like terms: x + x = 2x
2x + 7x = 180

Combine like terms: 2x + 7x = 9x
9x = 180

Solving
9x = 180

Solving for variable 'x'.

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

Divide each side by '9'.
x = 20

Simplifying
x = 20

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