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Simplifying 3r2 + 10 = -47 Reorder the terms: 10 + 3r2 = -47 Solving 10 + 3r2 = -47 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 3r2 = -47 + -10 Combine like terms: 10 + -10 = 0 0 + 3r2 = -47 + -10 3r2 = -47 + -10 Combine like terms: -47 + -10 = -57 3r2 = -57 Divide each side by '3'. r2 = -19 Simplifying r2 = -19 Reorder the terms: 19 + r2 = -19 + 19 Combine like terms: -19 + 19 = 0 19 + r2 = 0 The solution to this equation could not be determined.
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