Question

Solve 2x + y = 7
x – y = –4

(1, 5)

(–1, 5)

(1, –5)

(–1, –5)

Answer 1

@FutureMathProfessor

Answer 2

With multiple choice it's easy. Just plug in values into the 2nd equation to find your answe.r
It's obviously (1, 5)

Answer 3

@Deldrickg you're posting all of the same kinds of problems, look back at the problems we helped you solve and understand the method.

Answer 4

wat kind of math is dis

Answer 5

algebra.

Answer 6

@Jhannybean Ok. I Seem To Not Understand It.

Answer 7

Pre-Algebra

Answer 8

algebra 1 or 2

Answer 9

add the two equations
3x = 3
x = 1

substitute for x:
1 - y = -4
y = 5

Solution: (x,y) = (1,5)

Answer 10

Algebra 2

Answer 11

k

Answer 12

This is not algebra 2 haha! I did this in pre-algebra class

Answer 13

@FutureMathProfessor It is.

Answer 14

We can all agree that's math

Answer 15

i m doin pre algebra so srry i cnt help wit it

Answer 16

It would be really helpful if you look a look at the work we've done for you before posting new problems. try solving them using the same method instead of telling yourself you don't understand. You just need tot try one yourself.

Answer 17

last answer...method is important soo try

Answer 18

@Jhannybean Ok. : )

Answer 19

wat grad r u guyz in

Answer 20

@KeKe1026 I'm In 11th

Answer 21

k

Answer 22

n i m in 9th

Answer 23

Same method i showed you here. http://openstudy.com/study#/updates/51a91bf3e4b0ffa8e49b6e6a

Answer 24

super senior right here! haha

Answer 25

k if u call urself a super senior wat iz deh answr 2 deh problem