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Simplifying 31.4 = 2pir Solving 31.4 = 2ipr Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-2ipr' to each side of the equation. 31.4 + -2ipr = 2ipr + -2ipr Combine like terms: 2ipr + -2ipr = 0 31.4 + -2ipr = 0 Add '-31.4' to each side of the equation. 31.4 + -31.4 + -2ipr = 0 + -31.4 Combine like terms: 31.4 + -31.4 = 0.0 0.0 + -2ipr = 0 + -31.4 -2ipr = 0 + -31.4 Combine like terms: 0 + -31.4 = -31.4 -2ipr = -31.4 Divide each side by '-2pr'. i = 15.7p-1r-1 Simplifying i = 15.7p-1r-1
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