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Simplifying R2 + 3r = -7 + -5r Solving R2 + 3r = -7 + -5r Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '-3r' to each side of the equation. R2 + 3r + -3r = -7 + -5r + -3r Combine like terms: 3r + -3r = 0 R2 + 0 = -7 + -5r + -3r R2 = -7 + -5r + -3r Combine like terms: -5r + -3r = -8r R2 = -7 + -8r Simplifying R2 = -7 + -8r Reorder the terms: 7 + R2 + 8r = -7 + -8r + 7 + 8r Reorder the terms: 7 + R2 + 8r = -7 + 7 + -8r + 8r Combine like terms: -7 + 7 = 0 7 + R2 + 8r = 0 + -8r + 8r 7 + R2 + 8r = -8r + 8r Combine like terms: -8r + 8r = 0 7 + R2 + 8r = 0 The solution to this equation could not be determined.
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