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Simplifying (7r2) + 7 = -111 Reorder the terms: 7 + (7r2) = -111 Solving 7 + (7r2) = -111 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + (7r2) = -111 + -7 Combine like terms: 7 + -7 = 0 0 + (7r2) = -111 + -7 (7r2) = -111 + -7 Combine like terms: -111 + -7 = -118 (7r2) = -118 Divide each side by '7'. r2 = -16.85714286 Simplifying r2 = -16.85714286 Reorder the terms: 16.85714286 + r2 = -16.85714286 + 16.85714286 Combine like terms: -16.85714286 + 16.85714286 = 0.00000000 16.85714286 + r2 = 0.00000000 The solution to this equation could not be determined.
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