20-w=-100

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Solution for 20-w=-100 equation: 


Simplifying
20 + -1w = -100

Solving
20 + -1w = -100

Solving for variable 'w'.

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

Add '-20' to each side of the equation.
20 + -20 + -1w = -100 + -20

Combine like terms: 20 + -20 = 0
0 + -1w = -100 + -20
-1w = -100 + -20

Combine like terms: -100 + -20 = -120
-1w = -120

Divide each side by '-1'.
w = 120

Simplifying
w = 120

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