hkochenower
hkochenower hkochenower
  • 11-05-2017
  • Mathematics
contestada

What is the solution of the system? Use elimination.

3x - 4y = -24
x + y = -1
Select one:
a. (4, 3)
b. (0, 6)
c. (3, 4)
d. (-4, 3)

Respuesta :

irspow
irspow irspow
  • 11-05-2017
(3x-4y=-24)+4(x+y=-1)

7x=-28

x=-4, which makes x+y=-1 so 

y=3

So the solution to the system is the point (-4,3)

Answer Link

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