Respuesta :
you have to change it to the form y = mx + c
-3x - 3y = 30
add -3x to both sides
-3y = - 3x + 30
now divide through by -3:-
y = x - 10 answer
-3x - 3y = 30
add -3x to both sides
-3y = - 3x + 30
now divide through by -3:-
y = x - 10 answer