find y by cramers rule.x+3z=2y+4,2x+y=3z+5,2x+y=3+x
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Cramer's rule applies to the case where the coefficient determinant is nonzero. In the 2×2 case, if the coefficient determinant is zero, then the system is incompatible if the numerator determinants are nonzero, or indeterminate if the numerator determinants are zero
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