-x*20=31

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Solution for -x*20=31 equation: 


Simplifying
-1x * 20 = 31

Reorder the terms for easier multiplication:
-1 * 20x = 31

Multiply -1 * 20
-20x = 31

Solving
-20x = 31

Solving for variable 'x'.

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

Divide each side by '-20'.
x = -1.55

Simplifying
x = -1.55

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