Respuesta :
Answer: D -9
(08.05)
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?
a 4
b −4
c 9
d −9
Answer: D -9
(08.05)
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?
a 4
b −4
c 9
d −9