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Simplifying 2r + 8 = 30r + 15 Reorder the terms: 8 + 2r = 30r + 15 Reorder the terms: 8 + 2r = 15 + 30r Solving 8 + 2r = 15 + 30r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-30r' to each side of the equation. 8 + 2r + -30r = 15 + 30r + -30r Combine like terms: 2r + -30r = -28r 8 + -28r = 15 + 30r + -30r Combine like terms: 30r + -30r = 0 8 + -28r = 15 + 0 8 + -28r = 15 Add '-8' to each side of the equation. 8 + -8 + -28r = 15 + -8 Combine like terms: 8 + -8 = 0 0 + -28r = 15 + -8 -28r = 15 + -8 Combine like terms: 15 + -8 = 7 -28r = 7 Divide each side by '-28'. r = -0.25 Simplifying r = -0.25
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