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Simplifying 3r + -5 = 20 Reorder the terms: -5 + 3r = 20 Solving -5 + 3r = 20 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 3r = 20 + 5 Combine like terms: -5 + 5 = 0 0 + 3r = 20 + 5 3r = 20 + 5 Combine like terms: 20 + 5 = 25 3r = 25 Divide each side by '3'. r = 8.333333333 Simplifying r = 8.333333333
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