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Simplifying 5r2 + 13 + -3 = 0 Reorder the terms: 13 + -3 + 5r2 = 0 Combine like terms: 13 + -3 = 10 10 + 5r2 = 0 Solving 10 + 5r2 = 0 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 + 5r2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 5r2 = 0 + -10 5r2 = 0 + -10 Combine like terms: 0 + -10 = -10 5r2 = -10 Divide each side by '5'. r2 = -2 Simplifying r2 = -2 Reorder the terms: 2 + r2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + r2 = 0 The solution to this equation could not be determined.
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