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Simplifying 197 = 11 + 31r Solving 197 = 11 + 31r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-31r' to each side of the equation. 197 + -31r = 11 + 31r + -31r Combine like terms: 31r + -31r = 0 197 + -31r = 11 + 0 197 + -31r = 11 Add '-197' to each side of the equation. 197 + -197 + -31r = 11 + -197 Combine like terms: 197 + -197 = 0 0 + -31r = 11 + -197 -31r = 11 + -197 Combine like terms: 11 + -197 = -186 -31r = -186 Divide each side by '-31'. r = 6 Simplifying r = 6
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