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Simplifying 7(4) + -5(10) = 28 Multiply 7 * 4 28 + -5(10) = 28 Multiply -5 * 10 28 + -50 = 28 Combine like terms: 28 + -50 = -22 -22 = 28 Solving -22 = 28 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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