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Simplifying 162 = 9r Solving 162 = 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. 162 + -9r = 9r + -9r Combine like terms: 9r + -9r = 0 162 + -9r = 0 Add '-162' to each side of the equation. 162 + -162 + -9r = 0 + -162 Combine like terms: 162 + -162 = 0 0 + -9r = 0 + -162 -9r = 0 + -162 Combine like terms: 0 + -162 = -162 -9r = -162 Divide each side by '-9'. r = 18 Simplifying r = 18
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