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Simplifying 2 = 9r + -25 Reorder the terms: 2 = -25 + 9r Solving 2 = -25 + 9r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-9r' to each side of the equation. 2 + -9r = -25 + 9r + -9r Combine like terms: 9r + -9r = 0 2 + -9r = -25 + 0 2 + -9r = -25 Add '-2' to each side of the equation. 2 + -2 + -9r = -25 + -2 Combine like terms: 2 + -2 = 0 0 + -9r = -25 + -2 -9r = -25 + -2 Combine like terms: -25 + -2 = -27 -9r = -27 Divide each side by '-9'. r = 3 Simplifying r = 3
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