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Simplifying 2r2 + 20 = 14 Reorder the terms: 20 + 2r2 = 14 Solving 20 + 2r2 = 14 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + 2r2 = 14 + -20 Combine like terms: 20 + -20 = 0 0 + 2r2 = 14 + -20 2r2 = 14 + -20 Combine like terms: 14 + -20 = -6 2r2 = -6 Divide each side by '2'. r2 = -3 Simplifying r2 = -3 Reorder the terms: 3 + r2 = -3 + 3 Combine like terms: -3 + 3 = 0 3 + r2 = 0 The solution to this equation could not be determined.
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