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Simplifying 0.07(30) + 0.5(60 + -30) = 0 Multiply 0.07 * 30 2.1 + 0.5(60 + -30) = 0 Combine like terms: 60 + -30 = 30 2.1 + 0.5(30) = 0 Multiply 0.5 * 30 2.1 + 15 = 0 Combine like terms: 2.1 + 15 = 17.1 17.1 = 0 Solving 17.1 = 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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