Answer:
y=5x+[?]
x=-1
y=-2
let put that in the equation
-2=5(-1)+x
but for now we can use any variable for the question mark so let use x
-2=-5+x
-2+5=x
x=3
Explanation:
the relation of x and y are equal because I every case of x and y in the equation gives an answer of 3