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Simplifying 2(5r + 6) = 2.5(4r + 6) Reorder the terms: 2(6 + 5r) = 2.5(4r + 6) (6 * 2 + 5r * 2) = 2.5(4r + 6) (12 + 10r) = 2.5(4r + 6) Reorder the terms: 12 + 10r = 2.5(6 + 4r) 12 + 10r = (6 * 2.5 + 4r * 2.5) 12 + 10r = (15 + 10r) Add '-10r' to each side of the equation. 12 + 10r + -10r = 15 + 10r + -10r Combine like terms: 10r + -10r = 0 12 + 0 = 15 + 10r + -10r 12 = 15 + 10r + -10r Combine like terms: 10r + -10r = 0 12 = 15 + 0 12 = 15 Solving 12 = 15 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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