5x - 2y = 15 2x + 4y = 12 According to the strategy you learned in this lesson, what is the best first step in solving the system of equations above using substitution?

Respuesta :

Answer:

The answer is C = Solve for x in the second equation.

Step-by-step explanation:

I did the assignment.

the second part is c) 7/2, 5/4

Step-by-step explanation: