Question

6x-y+3z=12

Answer 1

6x-y+3z=12
x+3y-z=-6
3x+3y-4z=1

Answer 2

@surdawi

Answer 3

solve by elimination or what ever is easier

Answer 4

easiest way eliminating the y

Answer 5

6x-y+3z=12
x+3y-z=-6


and


x+3y-z=-6
3x+3y-4z=1

Answer 6

so i got 19x-8z=9
2x-3z=7

Answer 7

12*3-6=?

Answer 8

x-3x=?
-z- -4z=?
-6 -1=?

Answer 9

36

Answer 10

ugh i dont know what im doing right now!

Answer 11

wait i the second one i multiply by -1 to get -x-3y-z=6

Answer 12

then i elimated with the 3rd eqation

Answer 13

or i can can times first equation by 3 and add the 3rd equation getting 21x+5z=40

Answer 14

making it the 5th equation

Answer 15

x+3y-z=-6
3x+3y-4z=1
------------- subtract and tell me what you got you have 3y in both equations

Answer 16

2x+3x=5

Answer 17

oops its 3z

Answer 18

x-3x=? pay attention

Answer 19

u there?

Answer 20

sorry i had done it on paper! i got x=2 y=-3 z=-1

Answer 21

answer is correct but u got the equation worn how did u do it right :P

Answer 22

wrong*

Answer 23

hold on theres more!