-4.2x=21

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Solution for -4.2x=21 equation: 


Simplifying
-4.2x = 21

Solving
-4.2x = 21

Solving for variable 'x'.

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

Divide each side by '-4.2'.
x = -5

Simplifying
x = -5

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