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Simplifying r2 + -20x + 16 = 0 Reorder the terms: 16 + r2 + -20x = 0 Solving 16 + r2 + -20x = 0 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 + -20x = 0 + -16 Reorder the terms: 16 + -16 + r2 + -20x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + r2 + -20x = 0 + -16 r2 + -20x = 0 + -16 Combine like terms: 0 + -16 = -16 r2 + -20x = -16 Add '20x' to each side of the equation. r2 + -20x + 20x = -16 + 20x Combine like terms: -20x + 20x = 0 r2 + 0 = -16 + 20x r2 = -16 + 20x Simplifying r2 = -16 + 20x Reorder the terms: 16 + r2 + -20x = -16 + 20x + 16 + -20x Reorder the terms: 16 + r2 + -20x = -16 + 16 + 20x + -20x Combine like terms: -16 + 16 = 0 16 + r2 + -20x = 0 + 20x + -20x 16 + r2 + -20x = 20x + -20x Combine like terms: 20x + -20x = 0 16 + r2 + -20x = 0 The solution to this equation could not be determined.
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