2x-6x-3x=21

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Solution for 2x-6x-3x=21 equation: 


Simplifying
2x + -6x + -3x = 21

Combine like terms: 2x + -6x = -4x
-4x + -3x = 21

Combine like terms: -4x + -3x = -7x
-7x = 21

Solving
-7x = 21

Solving for variable 'x'.

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

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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