8x-5x-x=21

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Solution for 8x-5x-x=21 equation: 


Simplifying
8x + -5x + -1x = 21

Combine like terms: 8x + -5x = 3x
3x + -1x = 21

Combine like terms: 3x + -1x = 2x
2x = 21

Solving
2x = 21

Solving for variable 'x'.

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

Divide each side by '2'.
x = 10.5

Simplifying
x = 10.5

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