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Simplifying R2 + 4r + -16 = -4 Reorder the terms: -16 + R2 + 4r = -4 Solving -16 + R2 + 4r = -4 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '16' to each side of the equation. -16 + R2 + 16 + 4r = -4 + 16 Reorder the terms: -16 + 16 + R2 + 4r = -4 + 16 Combine like terms: -16 + 16 = 0 0 + R2 + 4r = -4 + 16 R2 + 4r = -4 + 16 Combine like terms: -4 + 16 = 12 R2 + 4r = 12 Add '-4r' to each side of the equation. R2 + 4r + -4r = 12 + -4r Combine like terms: 4r + -4r = 0 R2 + 0 = 12 + -4r R2 = 12 + -4r Simplifying R2 = 12 + -4r Reorder the terms: -12 + R2 + 4r = 12 + -4r + -12 + 4r Reorder the terms: -12 + R2 + 4r = 12 + -12 + -4r + 4r Combine like terms: 12 + -12 = 0 -12 + R2 + 4r = 0 + -4r + 4r -12 + R2 + 4r = -4r + 4r Combine like terms: -4r + 4r = 0 -12 + R2 + 4r = 0 The solution to this equation could not be determined.
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