8x-2x=21

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Solution for 8x-2x=21 equation: 


Simplifying
8x + -2x = 21

Combine like terms: 8x + -2x = 6x
6x = 21

Solving
6x = 21

Solving for variable 'x'.

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

Divide each side by '6'.
x = 3.5

Simplifying
x = 3.5

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