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Simplifying -9r + 5 = -23 Reorder the terms: 5 + -9r = -23 Solving 5 + -9r = -23 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -9r = -23 + -5 Combine like terms: 5 + -5 = 0 0 + -9r = -23 + -5 -9r = -23 + -5 Combine like terms: -23 + -5 = -28 -9r = -28 Divide each side by '-9'. r = 3.111111111 Simplifying r = 3.111111111
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