131=256-w

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Solution for 131=256-w equation:


Simplifying
131 = 256 + -1w

Solving
131 = 256 + -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.
131 + w = 256 + -1w + w

Combine like terms: -1w + w = 0
131 + w = 256 + 0
131 + w = 256

Add '-131' to each side of the equation.
131 + -131 + w = 256 + -131

Combine like terms: 131 + -131 = 0
0 + w = 256 + -131
w = 256 + -131

Combine like terms: 256 + -131 = 125
w = 125

Simplifying
w = 125

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