Find the solution to the following system by substitution.
4x + y = 40
y = 4x
OA. (0,40)
OB. (5,20)
O C. (10,40)
D. (10,0)

Find the solution to the following system by substitution 4x y 40 y 4x OA 040 OB 520 O C 1040 D 100 class=