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Simplifying 2x + -18 + -2x = 0 Reorder the terms: -18 + 2x + -2x = 0 Combine like terms: 2x + -2x = 0 -18 + 0 = 0 -18 = 0 Solving -18 = 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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