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Simplifying -2(-1w + 7) = 2w + 7 Reorder the terms: -2(7 + -1w) = 2w + 7 (7 * -2 + -1w * -2) = 2w + 7 (-14 + 2w) = 2w + 7 Reorder the terms: -14 + 2w = 7 + 2w Add '-2w' to each side of the equation. -14 + 2w + -2w = 7 + 2w + -2w Combine like terms: 2w + -2w = 0 -14 + 0 = 7 + 2w + -2w -14 = 7 + 2w + -2w Combine like terms: 2w + -2w = 0 -14 = 7 + 0 -14 = 7 Solving -14 = 7 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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