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Simplifying 5r = 18 + 2r Solving 5r = 18 + 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. 5r + -2r = 18 + 2r + -2r Combine like terms: 5r + -2r = 3r 3r = 18 + 2r + -2r Combine like terms: 2r + -2r = 0 3r = 18 + 0 3r = 18 Divide each side by '3'. r = 6 Simplifying r = 6
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