Answer :
The given expression is
[tex]y=\frac{5}{4}z[/tex]Remember that the standard form is
[tex]Ay+Bz=C[/tex]So, we have to move all terms with variables to one side.
Therefore, the standard form is
[tex]y-\frac{5}{4}z=0[/tex]Where A = 1, B = -5/4, and C = 0.