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Simplifying 87 = r * 29 Reorder the terms for easier multiplication: 87 = 29r Solving 87 = 29r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-29r' to each side of the equation. 87 + -29r = 29r + -29r Combine like terms: 29r + -29r = 0 87 + -29r = 0 Add '-87' to each side of the equation. 87 + -87 + -29r = 0 + -87 Combine like terms: 87 + -87 = 0 0 + -29r = 0 + -87 -29r = 0 + -87 Combine like terms: 0 + -87 = -87 -29r = -87 Divide each side by '-29'. r = 3 Simplifying r = 3
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