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Simplifying 119 = 7(3r + 2) Reorder the terms: 119 = 7(2 + 3r) 119 = (2 * 7 + 3r * 7) 119 = (14 + 21r) Solving 119 = 14 + 21r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-21r' to each side of the equation. 119 + -21r = 14 + 21r + -21r Combine like terms: 21r + -21r = 0 119 + -21r = 14 + 0 119 + -21r = 14 Add '-119' to each side of the equation. 119 + -119 + -21r = 14 + -119 Combine like terms: 119 + -119 = 0 0 + -21r = 14 + -119 -21r = 14 + -119 Combine like terms: 14 + -119 = -105 -21r = -105 Divide each side by '-21'. r = 5 Simplifying r = 5
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