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Simplifying x + x + -2x + 121 = 0 Reorder the terms: 121 + x + x + -2x = 0 Combine like terms: x + x = 2x 121 + 2x + -2x = 0 Combine like terms: 2x + -2x = 0 121 + 0 = 0 121 = 0 Solving 121 = 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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