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Simplifying -5(13.83 + -13) + -7(13.83 + 20) = 91 Combine like terms: 13.83 + -13 = 0.83 -5(0.83) + -7(13.83 + 20) = 91 Multiply -5 * 0.83 -4.15 + -7(13.83 + 20) = 91 Combine like terms: 13.83 + 20 = 33.83 -4.15 + -7(33.83) = 91 Multiply -7 * 33.83 -4.15 + -236.81 = 91 Combine like terms: -4.15 + -236.81 = -240.96 -240.96 = 91 Solving -240.96 = 91 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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