Question

3x - 2y = 10
5x + y = 4

When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated?
A)
13x = 18
B)
-7x = 2
C)
-7y = 62
D)
8x - y = 14

Answer 1

i thought B OR D

Answer 2

multiply the second equation by 2 and add
remember to multiply EACH TERM by 2

Answer 3

its not B or D

Answer 4

I figured that out when i saw the postives

Answer 5

so which one?

Answer 6

A

Answer 7

hmm...

Answer 8

I am working it out

Answer 9

13x=18

Answer 10

right good job

Answer 11

@friendzone - wd