3x-10x=21

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Solution for 3x-10x=21 equation: 


Simplifying
3x + -10x = 21

Combine like terms: 3x + -10x = -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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