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Simplifying 2(4.5) + -1(5 + -4.5) = 3(4.5) + 2(4.5 + -7) Multiply 2 * 4.5 9 + -1(5 + -4.5) = 3(4.5) + 2(4.5 + -7) Combine like terms: 5 + -4.5 = 0.5 9 + -1(0.5) = 3(4.5) + 2(4.5 + -7) Multiply -1 * 0.5 9 + -0.5 = 3(4.5) + 2(4.5 + -7) Combine like terms: 9 + -0.5 = 8.5 8.5 = 3(4.5) + 2(4.5 + -7) Multiply 3 * 4.5 8.5 = 13.5 + 2(4.5 + -7) Combine like terms: 4.5 + -7 = -2.5 8.5 = 13.5 + 2(-2.5) Multiply 2 * -2.5 8.5 = 13.5 + -5 Combine like terms: 13.5 + -5 = 8.5 8.5 = 8.5 Add '-8.5' to each side of the equation. 8.5 + -8.5 = 8.5 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 = 8.5 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 = 0.0 Solving 0.0 = 0.0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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