9x-x=840

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Solution for 9x-x=840 equation: 


Simplifying
9x + -1x = 840

Combine like terms: 9x + -1x = 8x
8x = 840

Solving
8x = 840

Solving for variable 'x'.

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

Divide each side by '8'.
x = 105

Simplifying
x = 105

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