x(-1)=20

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Solution for x(-1)=20 equation: 


Simplifying
x(-1) = 20

Reorder the terms for easier multiplication:
-1x = 20

Solving
-1x = 20

Solving for variable 'x'.

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

Divide each side by '-1'.
x = -20

Simplifying
x = -20

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