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Simplifying (x + 1) + -2 = x + -7 Reorder the terms: (1 + x) + -2 = x + -7 Remove parenthesis around (1 + x) 1 + x + -2 = x + -7 Reorder the terms: 1 + -2 + x = x + -7 Combine like terms: 1 + -2 = -1 -1 + x = x + -7 Reorder the terms: -1 + x = -7 + x Add '-1x' to each side of the equation. -1 + x + -1x = -7 + x + -1x Combine like terms: x + -1x = 0 -1 + 0 = -7 + x + -1x -1 = -7 + x + -1x Combine like terms: x + -1x = 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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