Question

Solve the system using any method:
4x - 3y = -13
x + 3y = -7



A. x = -4, y =- 1
B. x = -4, y = 4
C. x = -1, y = 4
D. x = 4, y = -1

Answer 1

@biggirl99 try substituting each one and see which makes the equations true

Answer 2

4(-4)-3(-1)=13. true or false?

Answer 3

sorry, -13, not 13

Answer 4

false

Answer 5

what does it equal, then?

Answer 6

I did it in my calculator and it said 12

Answer 7

https://www.google.com/search?q=4%28-4%29-3%28-1%29%3D&ie=utf-8&oe=utf-8#safe=active&q=4%28-4%29-3%28-1%29%3D

Answer 8

oh okay sorry I must have put it in wrong or something

Answer 9

true

Answer 10

wait, ignore. wrong one

Answer 11

-4+3(-1)=-7 true or false?

Answer 12

false

Answer 13

https://www.google.com/search?q=-4%2B3%28-1%29%3D&ie=utf-8&oe=utf-8

Answer 14

oh ok

Answer 15

3x-1=-3. -4+(-3)=-7

Answer 16

sorry, i gtg. but i think you got it. since both of those are true, the answer is A.