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Simplifying r2 + 28t + 75 = 0 Reorder the terms: 75 + r2 + 28t = 0 Solving 75 + r2 + 28t = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-75' to each side of the equation. 75 + r2 + -75 + 28t = 0 + -75 Reorder the terms: 75 + -75 + r2 + 28t = 0 + -75 Combine like terms: 75 + -75 = 0 0 + r2 + 28t = 0 + -75 r2 + 28t = 0 + -75 Combine like terms: 0 + -75 = -75 r2 + 28t = -75 Add '-28t' to each side of the equation. r2 + 28t + -28t = -75 + -28t Combine like terms: 28t + -28t = 0 r2 + 0 = -75 + -28t r2 = -75 + -28t Simplifying r2 = -75 + -28t Reorder the terms: 75 + r2 + 28t = -75 + -28t + 75 + 28t Reorder the terms: 75 + r2 + 28t = -75 + 75 + -28t + 28t Combine like terms: -75 + 75 = 0 75 + r2 + 28t = 0 + -28t + 28t 75 + r2 + 28t = -28t + 28t Combine like terms: -28t + 28t = 0 75 + r2 + 28t = 0 The solution to this equation could not be determined.
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