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Simplifying 5r + 8 = 20r + 12 Reorder the terms: 8 + 5r = 20r + 12 Reorder the terms: 8 + 5r = 12 + 20r Solving 8 + 5r = 12 + 20r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-20r' to each side of the equation. 8 + 5r + -20r = 12 + 20r + -20r Combine like terms: 5r + -20r = -15r 8 + -15r = 12 + 20r + -20r Combine like terms: 20r + -20r = 0 8 + -15r = 12 + 0 8 + -15r = 12 Add '-8' to each side of the equation. 8 + -8 + -15r = 12 + -8 Combine like terms: 8 + -8 = 0 0 + -15r = 12 + -8 -15r = 12 + -8 Combine like terms: 12 + -8 = 4 -15r = 4 Divide each side by '-15'. r = -0.2666666667 Simplifying r = -0.2666666667
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