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Simplifying r2 + -9t + 18 = 0 Reorder the terms: 18 + r2 + -9t = 0 Solving 18 + r2 + -9t = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + r2 + -18 + -9t = 0 + -18 Reorder the terms: 18 + -18 + r2 + -9t = 0 + -18 Combine like terms: 18 + -18 = 0 0 + r2 + -9t = 0 + -18 r2 + -9t = 0 + -18 Combine like terms: 0 + -18 = -18 r2 + -9t = -18 Add '9t' to each side of the equation. r2 + -9t + 9t = -18 + 9t Combine like terms: -9t + 9t = 0 r2 + 0 = -18 + 9t r2 = -18 + 9t Simplifying r2 = -18 + 9t Reorder the terms: 18 + r2 + -9t = -18 + 9t + 18 + -9t Reorder the terms: 18 + r2 + -9t = -18 + 18 + 9t + -9t Combine like terms: -18 + 18 = 0 18 + r2 + -9t = 0 + 9t + -9t 18 + r2 + -9t = 9t + -9t Combine like terms: 9t + -9t = 0 18 + r2 + -9t = 0 The solution to this equation could not be determined.
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