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Simplifying 7.5 = 2r + -1.5 Reorder the terms: 7.5 = -1.5 + 2r Solving 7.5 = -1.5 + 2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2r' to each side of the equation. 7.5 + -2r = -1.5 + 2r + -2r Combine like terms: 2r + -2r = 0 7.5 + -2r = -1.5 + 0 7.5 + -2r = -1.5 Add '-7.5' to each side of the equation. 7.5 + -7.5 + -2r = -1.5 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + -2r = -1.5 + -7.5 -2r = -1.5 + -7.5 Combine like terms: -1.5 + -7.5 = -9 -2r = -9 Divide each side by '-2'. r = 4.5 Simplifying r = 4.5
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