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Simplifying 2r2 + 3 = -6 Reorder the terms: 3 + 2r2 = -6 Solving 3 + 2r2 = -6 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2r2 = -6 + -3 Combine like terms: 3 + -3 = 0 0 + 2r2 = -6 + -3 2r2 = -6 + -3 Combine like terms: -6 + -3 = -9 2r2 = -9 Divide each side by '2'. r2 = -4.5 Simplifying r2 = -4.5 Reorder the terms: 4.5 + r2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + r2 = 0.0 The solution to this equation could not be determined.
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