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Simplifying 9r2 = 11r Solving 9r2 = 11r Solving for variable 'r'. Reorder the terms: -11r + 9r2 = 11r + -11r Combine like terms: 11r + -11r = 0 -11r + 9r2 = 0 Factor out the Greatest Common Factor (GCF), 'r'. r(-11 + 9r) = 0Subproblem 1
Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0Subproblem 2
Set the factor '(-11 + 9r)' equal to zero and attempt to solve: Simplifying -11 + 9r = 0 Solving -11 + 9r = 0 Move all terms containing r to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 9r = 0 + 11 Combine like terms: -11 + 11 = 0 0 + 9r = 0 + 11 9r = 0 + 11 Combine like terms: 0 + 11 = 11 9r = 11 Divide each side by '9'. r = 1.222222222 Simplifying r = 1.222222222Solution
r = {0, 1.222222222}
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