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Simplifying -2(2y + -1) + 4y = 1 Reorder the terms: -2(-1 + 2y) + 4y = 1 (-1 * -2 + 2y * -2) + 4y = 1 (2 + -4y) + 4y = 1 Combine like terms: -4y + 4y = 0 2 + 0 = 1 2 = 1 Solving 2 = 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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