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Simplifying 3r + 4 = 18 Reorder the terms: 4 + 3r = 18 Solving 4 + 3r = 18 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3r = 18 + -4 Combine like terms: 4 + -4 = 0 0 + 3r = 18 + -4 3r = 18 + -4 Combine like terms: 18 + -4 = 14 3r = 14 Divide each side by '3'. r = 4.666666667 Simplifying r = 4.666666667
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