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Simplifying x + 13 = x + -12 + 1 Reorder the terms: 13 + x = x + -12 + 1 Reorder the terms: 13 + x = -12 + 1 + x Combine like terms: -12 + 1 = -11 13 + x = -11 + x Add '-1x' to each side of the equation. 13 + x + -1x = -11 + x + -1x Combine like terms: x + -1x = 0 13 + 0 = -11 + x + -1x 13 = -11 + x + -1x Combine like terms: x + -1x = 0 13 = -11 + 0 13 = -11 Solving 13 = -11 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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