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Simplifying 2x + 2(4 + -1x) = 13 2x + (4 * 2 + -1x * 2) = 13 2x + (8 + -2x) = 13 Reorder the terms: 8 + 2x + -2x = 13 Combine like terms: 2x + -2x = 0 8 + 0 = 13 8 = 13 Solving 8 = 13 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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