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Simplifying -2n + 1 = -2n + -7 Reorder the terms: 1 + -2n = -2n + -7 Reorder the terms: 1 + -2n = -7 + -2n Add '2n' to each side of the equation. 1 + -2n + 2n = -7 + -2n + 2n Combine like terms: -2n + 2n = 0 1 + 0 = -7 + -2n + 2n 1 = -7 + -2n + 2n Combine like terms: -2n + 2n = 0 1 = -7 + 0 1 = -7 Solving 1 = -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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