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Simplifying 3(2r + 7) = 22 Reorder the terms: 3(7 + 2r) = 22 (7 * 3 + 2r * 3) = 22 (21 + 6r) = 22 Solving 21 + 6r = 22 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + 6r = 22 + -21 Combine like terms: 21 + -21 = 0 0 + 6r = 22 + -21 6r = 22 + -21 Combine like terms: 22 + -21 = 1 6r = 1 Divide each side by '6'. r = 0.1666666667 Simplifying r = 0.1666666667
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