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Simplifying (x + 9) + -1(x + -2) = 0 Reorder the terms: (9 + x) + -1(x + -2) = 0 Remove parenthesis around (9 + x) 9 + x + -1(x + -2) = 0 Reorder the terms: 9 + x + -1(-2 + x) = 0 9 + x + (-2 * -1 + x * -1) = 0 9 + x + (2 + -1x) = 0 Reorder the terms: 9 + 2 + x + -1x = 0 Combine like terms: 9 + 2 = 11 11 + x + -1x = 0 Combine like terms: x + -1x = 0 11 + 0 = 0 11 = 0 Solving 11 = 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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