Question

daca xy-xz=625si x=5,calculati y-z

Answer 1

$xy-xz=625 \\ x=5 \\ y-z=? \\ xy-xz=625 \\ x(y-z)=625 \\ 5(y-z)=625 \\ y-z=625:5 \\ \boxed{y-z=125}$