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Find the coefficients of \(x\) in the given expressions:
 
I) 22y+29x the coefficients of \(x\) is \(=\).
 
II) 22x23z the coefficients of \(x\) is \(=\).
 
III) 17y+22z5x the coefficients of \(x\) is \(=\).
 
IV) 7z7x6y the coefficients of \(x\) is \(=\).
 
[Note: If the answer is a negative number, insert the answer along with negative sign].