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Simplifying (x + 1) + -1(x + 2) = 0 Reorder the terms: (1 + x) + -1(x + 2) = 0 Remove parenthesis around (1 + x) 1 + x + -1(x + 2) = 0 Reorder the terms: 1 + x + -1(2 + x) = 0 1 + x + (2 * -1 + x * -1) = 0 1 + x + (-2 + -1x) = 0 Reorder the terms: 1 + -2 + x + -1x = 0 Combine like terms: 1 + -2 = -1 -1 + x + -1x = 0 Combine like terms: x + -1x = 0 -1 + 0 = 0 -1 = 0 Solving -1 = 0 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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