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Find the coefficients of \(x\) in the given expressions:
 
I) 22y+35x the coefficients of \(x\) is \(=\).
 
II) 7x22z the coefficients of \(x\) is \(=\).
 
III) 28y+22z1x the coefficients of \(x\) is \(=\).
 
IV) 4z13x11y the coefficients of \(x\) is \(=\).
 
[Note: If the answer is a negative number, insert the answer along with negative sign].