1x-2x=20

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Solution for 1x-2x=20 equation: 


Simplifying
1x + -2x = 20

Combine like terms: 1x + -2x = -1x
-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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