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Simplifying 2r2 + 2 = -16 Reorder the terms: 2 + 2r2 = -16 Solving 2 + 2r2 = -16 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 2r2 = -16 + -2 Combine like terms: 2 + -2 = 0 0 + 2r2 = -16 + -2 2r2 = -16 + -2 Combine like terms: -16 + -2 = -18 2r2 = -18 Divide each side by '2'. r2 = -9 Simplifying r2 = -9 Reorder the terms: 9 + r2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + r2 = 0 The solution to this equation could not be determined.
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