80=x-20

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Solution for 80=x-20 equation:


Simplifying
80 = x + -20

Reorder the terms:
80 = -20 + x

Solving
80 = -20 + x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -20 + -80 = -100
-1x = -100

Divide each side by '-1'.
x = 100

Simplifying
x = 100

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