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Simplifying (y4 + -5y3 + 20) = 0 Reorder the terms: (20 + -5y3 + y4) = 0 Remove parenthesis around (20 + -5y3 + y4) 20 + -5y3 + y4 = 0 Solving 20 + -5y3 + y4 = 0 Solving for variable 'y'. The solution to this equation could not be determined.
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