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Simplifying 7w + 28 = -1(-7w + 1) Reorder the terms: 28 + 7w = -1(-7w + 1) Reorder the terms: 28 + 7w = -1(1 + -7w) 28 + 7w = (1 * -1 + -7w * -1) 28 + 7w = (-1 + 7w) Add '-7w' to each side of the equation. 28 + 7w + -7w = -1 + 7w + -7w Combine like terms: 7w + -7w = 0 28 + 0 = -1 + 7w + -7w 28 = -1 + 7w + -7w Combine like terms: 7w + -7w = 0 28 = -1 + 0 28 = -1 Solving 28 = -1 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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