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Simplifying 0.3(5.5) + -0.4(6 + -5.5) = 0.9 Multiply 0.3 * 5.5 1.65 + -0.4(6 + -5.5) = 0.9 Combine like terms: 6 + -5.5 = 0.5 1.65 + -0.4(0.5) = 0.9 Multiply -0.4 * 0.5 1.65 + -0.2 = 0.9 Combine like terms: 1.65 + -0.2 = 1.45 1.45 = 0.9 Solving 1.45 = 0.9 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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