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Simplifying 72 = 2 + 5r Solving 72 = 2 + 5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5r' to each side of the equation. 72 + -5r = 2 + 5r + -5r Combine like terms: 5r + -5r = 0 72 + -5r = 2 + 0 72 + -5r = 2 Add '-72' to each side of the equation. 72 + -72 + -5r = 2 + -72 Combine like terms: 72 + -72 = 0 0 + -5r = 2 + -72 -5r = 2 + -72 Combine like terms: 2 + -72 = -70 -5r = -70 Divide each side by '-5'. r = 14 Simplifying r = 14
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