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Simplifying 7r2 + 10 = -68 Reorder the terms: 10 + 7r2 = -68 Solving 10 + 7r2 = -68 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 + 7r2 = -68 + -10 Combine like terms: 10 + -10 = 0 0 + 7r2 = -68 + -10 7r2 = -68 + -10 Combine like terms: -68 + -10 = -78 7r2 = -78 Divide each side by '7'. r2 = -11.14285714 Simplifying r2 = -11.14285714 Reorder the terms: 11.14285714 + r2 = -11.14285714 + 11.14285714 Combine like terms: -11.14285714 + 11.14285714 = 0.00000000 11.14285714 + r2 = 0.00000000 The solution to this equation could not be determined.
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