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Simplifying 256 + -9x = -257 Solving 256 + -9x = -257 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-256' to each side of the equation. 256 + -256 + -9x = -257 + -256 Combine like terms: 256 + -256 = 0 0 + -9x = -257 + -256 -9x = -257 + -256 Combine like terms: -257 + -256 = -513 -9x = -513 Divide each side by '-9'. x = 57 Simplifying x = 57
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