Amelie solves the following system of equations.
x+y=20
3x-3y+30
Which values of x and y satisfy this system of equations?
x = 0, y = 20
x = 5, y = 15
x = 10, y = 0
x = 15, y = 5
x+y=20
3x-3y+30
Which values of x and y satisfy this system of equations?
x = 0, y = 20
x = 5, y = 15
x = 10, y = 0
x = 15, y = 5