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Simplifying 2r2 + 12 + 10 = 0 Reorder the terms: 12 + 10 + 2r2 = 0 Combine like terms: 12 + 10 = 22 22 + 2r2 = 0 Solving 22 + 2r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-22' to each side of the equation. 22 + -22 + 2r2 = 0 + -22 Combine like terms: 22 + -22 = 0 0 + 2r2 = 0 + -22 2r2 = 0 + -22 Combine like terms: 0 + -22 = -22 2r2 = -22 Divide each side by '2'. r2 = -11 Simplifying r2 = -11 Reorder the terms: 11 + r2 = -11 + 11 Combine like terms: -11 + 11 = 0 11 + r2 = 0 The solution to this equation could not be determined.
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