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Simplifying 10r3 + -21r = -4r + 6 Reorder the terms: -21r + 10r3 = -4r + 6 Reorder the terms: -21r + 10r3 = 6 + -4r Solving -21r + 10r3 = 6 + -4r Solving for variable 'r'. Reorder the terms: -6 + -21r + 4r + 10r3 = 6 + -4r + -6 + 4r Combine like terms: -21r + 4r = -17r -6 + -17r + 10r3 = 6 + -4r + -6 + 4r Reorder the terms: -6 + -17r + 10r3 = 6 + -6 + -4r + 4r Combine like terms: 6 + -6 = 0 -6 + -17r + 10r3 = 0 + -4r + 4r -6 + -17r + 10r3 = -4r + 4r Combine like terms: -4r + 4r = 0 -6 + -17r + 10r3 = 0 The solution to this equation could not be determined.
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