-20=55+w

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Solution for -20=55+w equation:


Simplifying
-20 = 55 + w

Solving
-20 = 55 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
-20 + -1w = 55 + w + -1w

Combine like terms: w + -1w = 0
-20 + -1w = 55 + 0
-20 + -1w = 55

Add '20' to each side of the equation.
-20 + 20 + -1w = 55 + 20

Combine like terms: -20 + 20 = 0
0 + -1w = 55 + 20
-1w = 55 + 20

Combine like terms: 55 + 20 = 75
-1w = 75

Divide each side by '-1'.
w = -75

Simplifying
w = -75

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