20-x=80

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Solution for 20-x=80 equation:


Simplifying
20 + -1x = 80

Solving
20 + -1x = 80

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -1x = 80 + -20

Combine like terms: 20 + -20 = 0
0 + -1x = 80 + -20
-1x = 80 + -20

Combine like terms: 80 + -20 = 60
-1x = 60

Divide each side by '-1'.
x = -60

Simplifying
x = -60

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