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Simplifying R3 + -7r2 + -18r = 0 Reorder the terms: R3 + -18r + -7r2 = 0 Solving R3 + -18r + -7r2 = 0 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '18r' to each side of the equation. R3 + -18r + 18r + -7r2 = 0 + 18r Combine like terms: -18r + 18r = 0 R3 + 0 + -7r2 = 0 + 18r R3 + -7r2 = 0 + 18r Remove the zero: R3 + -7r2 = 18r Add '7r2' to each side of the equation. R3 + -7r2 + 7r2 = 18r + 7r2 Combine like terms: -7r2 + 7r2 = 0 R3 + 0 = 18r + 7r2 R3 = 18r + 7r2 Simplifying R3 = 18r + 7r2 Reorder the terms: R3 + -18r + -7r2 = 18r + -18r + 7r2 + -7r2 Combine like terms: 18r + -18r = 0 R3 + -18r + -7r2 = 0 + 7r2 + -7r2 R3 + -18r + -7r2 = 7r2 + -7r2 Combine like terms: 7r2 + -7r2 = 0 R3 + -18r + -7r2 = 0 The solution to this equation could not be determined.
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