243=142-w

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Solution for 243=142-w equation:


Simplifying
243 = 142 + -1w

Solving
243 = 142 + -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.
243 + w = 142 + -1w + w

Combine like terms: -1w + w = 0
243 + w = 142 + 0
243 + w = 142

Add '-243' to each side of the equation.
243 + -243 + w = 142 + -243

Combine like terms: 243 + -243 = 0
0 + w = 142 + -243
w = 142 + -243

Combine like terms: 142 + -243 = -101
w = -101

Simplifying
w = -101

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