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Simplifying 3r2 + 10 + 8 = 0 Reorder the terms: 10 + 8 + 3r2 = 0 Combine like terms: 10 + 8 = 18 18 + 3r2 = 0 Solving 18 + 3r2 = 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 + -18 + 3r2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 3r2 = 0 + -18 3r2 = 0 + -18 Combine like terms: 0 + -18 = -18 3r2 = -18 Divide each side by '3'. r2 = -6 Simplifying r2 = -6 Reorder the terms: 6 + r2 = -6 + 6 Combine like terms: -6 + 6 = 0 6 + r2 = 0 The solution to this equation could not be determined.
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