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Simplifying 13x + -13(x + 5) = 143 Reorder the terms: 13x + -13(5 + x) = 143 13x + (5 * -13 + x * -13) = 143 13x + (-65 + -13x) = 143 Reorder the terms: -65 + 13x + -13x = 143 Combine like terms: 13x + -13x = 0 -65 + 0 = 143 -65 = 143 Solving -65 = 143 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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