220=-w+91

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Solution for 220=-w+91 equation:


Simplifying
220 = -1w + 91

Reorder the terms:
220 = 91 + -1w

Solving
220 = 91 + -1w

Solving for variable 'w'.

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

Add 'w' to each side of the equation.
220 + w = 91 + -1w + w

Combine like terms: -1w + w = 0
220 + w = 91 + 0
220 + w = 91

Add '-220' to each side of the equation.
220 + -220 + w = 91 + -220

Combine like terms: 220 + -220 = 0
0 + w = 91 + -220
w = 91 + -220

Combine like terms: 91 + -220 = -129
w = -129

Simplifying
w = -129

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