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Simplifying 7r2 + -8 = -39 Reorder the terms: -8 + 7r2 = -39 Solving -8 + 7r2 = -39 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + 7r2 = -39 + 8 Combine like terms: -8 + 8 = 0 0 + 7r2 = -39 + 8 7r2 = -39 + 8 Combine like terms: -39 + 8 = -31 7r2 = -31 Divide each side by '7'. r2 = -4.428571429 Simplifying r2 = -4.428571429 Reorder the terms: 4.428571429 + r2 = -4.428571429 + 4.428571429 Combine like terms: -4.428571429 + 4.428571429 = 0.000000000 4.428571429 + r2 = 0.000000000 The solution to this equation could not be determined.
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