x(-3)=21

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Solution for x(-3)=21 equation: 


Simplifying
x(-3) = 21

Reorder the terms for easier multiplication:
-3x = 21

Solving
-3x = 21

Solving for variable 'x'.

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

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

Simplifying
x = -7

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