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Simplifying (w + 5) + -1(w + 7) = 0 Reorder the terms: (5 + w) + -1(w + 7) = 0 Remove parenthesis around (5 + w) 5 + w + -1(w + 7) = 0 Reorder the terms: 5 + w + -1(7 + w) = 0 5 + w + (7 * -1 + w * -1) = 0 5 + w + (-7 + -1w) = 0 Reorder the terms: 5 + -7 + w + -1w = 0 Combine like terms: 5 + -7 = -2 -2 + w + -1w = 0 Combine like terms: w + -1w = 0 -2 + 0 = 0 -2 = 0 Solving -2 = 0 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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