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Simplifying -2(y + 7) = -2y + 15 Reorder the terms: -2(7 + y) = -2y + 15 (7 * -2 + y * -2) = -2y + 15 (-14 + -2y) = -2y + 15 Reorder the terms: -14 + -2y = 15 + -2y Add '2y' to each side of the equation. -14 + -2y + 2y = 15 + -2y + 2y Combine like terms: -2y + 2y = 0 -14 + 0 = 15 + -2y + 2y -14 = 15 + -2y + 2y Combine like terms: -2y + 2y = 0 -14 = 15 + 0 -14 = 15 Solving -14 = 15 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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