solve the system of equations using substitution.
A) (2,8)
B) (2, -8)
C) (10,24)
D) no solution

Answer: option D. no solution
Step-by-step explanation:
y = 2x + 4. (1)
2x - y = 6. (2)
Substituting the value of y into equation 2., the x variable disappears. Therefore there is no solution to the equation.