Respuesta :

Answer:

x=(-19-Z)/y

Step-by-step explanation:

-19=xy+Z

-19-Z=xy

-19-Z/y=x

Answer:

x= -19/y - z/y

Step-by-step explanation:

isolate the variable by subtracting z to both sides

the equation should now be -19 -z = xy

now divide y to the other side

you should be left with x=-19/y - z/y