Question

n

Answer 1

It's one of these but I'm not sure.

Answer 2

hint: add the equations to get


2x + 5y = -4
4x - 5y = 22
--------------
8x+0y = 18


so

8x = 18

x = ???

Answer 3

oops typo, I meant to say

6x = 18

not

8x = 18

Answer 4

x = 3

Answer 5

good, 6x = 18 turns into x = 3

Answer 6

Now for y we just plug in 3 for x and find out from there?

Answer 7

exactly, plug in x = 3 into any equation with x and y, then solve for y

Answer 8

I found -2 = y. Am I right?

Answer 9

y = -2 is correct

Answer 10

nice work

Answer 11

Thanks for your help!

Answer 12

you're welcome