Maria wants to solve the following system using the elimination method:

4x + 9y = 59
x + y = 17

What number should the equation x + y = 17 be multiplied by to eliminate y?
4
−4
9
−9

Respuesta :

If you eliminate the equations by using addition, the answer would be -9.

Answer: The answer is -9!

Step-by-step explanation: