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Simplifying -9r + -5 = 9 + 10r Reorder the terms: -5 + -9r = 9 + 10r Solving -5 + -9r = 9 + 10r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-10r' to each side of the equation. -5 + -9r + -10r = 9 + 10r + -10r Combine like terms: -9r + -10r = -19r -5 + -19r = 9 + 10r + -10r Combine like terms: 10r + -10r = 0 -5 + -19r = 9 + 0 -5 + -19r = 9 Add '5' to each side of the equation. -5 + 5 + -19r = 9 + 5 Combine like terms: -5 + 5 = 0 0 + -19r = 9 + 5 -19r = 9 + 5 Combine like terms: 9 + 5 = 14 -19r = 14 Divide each side by '-19'. r = -0.7368421053 Simplifying r = -0.7368421053
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