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Simplifying 7r2 + 5 = 0 Reorder the terms: 5 + 7r2 = 0 Solving 5 + 7r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 7r2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 7r2 = 0 + -5 7r2 = 0 + -5 Combine like terms: 0 + -5 = -5 7r2 = -5 Divide each side by '7'. r2 = -0.7142857143 Simplifying r2 = -0.7142857143 Reorder the terms: 0.7142857143 + r2 = -0.7142857143 + 0.7142857143 Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000 0.7142857143 + r2 = 0.0000000000 The solution to this equation could not be determined.
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