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Simplifying 2r2 + -19v + 42 = 0 Reorder the terms: 42 + 2r2 + -19v = 0 Solving 42 + 2r2 + -19v = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + 2r2 + -42 + -19v = 0 + -42 Reorder the terms: 42 + -42 + 2r2 + -19v = 0 + -42 Combine like terms: 42 + -42 = 0 0 + 2r2 + -19v = 0 + -42 2r2 + -19v = 0 + -42 Combine like terms: 0 + -42 = -42 2r2 + -19v = -42 Add '19v' to each side of the equation. 2r2 + -19v + 19v = -42 + 19v Combine like terms: -19v + 19v = 0 2r2 + 0 = -42 + 19v 2r2 = -42 + 19v Divide each side by '2'. r2 = -21 + 9.5v Simplifying r2 = -21 + 9.5v Reorder the terms: 21 + r2 + -9.5v = -21 + 9.5v + 21 + -9.5v Reorder the terms: 21 + r2 + -9.5v = -21 + 21 + 9.5v + -9.5v Combine like terms: -21 + 21 = 0 21 + r2 + -9.5v = 0 + 9.5v + -9.5v 21 + r2 + -9.5v = 9.5v + -9.5v Combine like terms: 9.5v + -9.5v = 0.0 21 + r2 + -9.5v = 0.0 The solution to this equation could not be determined.
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