Solve the system of equations using substitution.
y = 4x + 6
y = 2x
A(6, 3)
B(-3, -6)
C(3, 6)
D(1, 2)
y = 4x + 6
y = 2x
A(6, 3)
B(-3, -6)
C(3, 6)
D(1, 2)