Question

If 7x+2y-6z=12 and if x, y, and z are positive, then what is the value of (2+z)/7x+2y ?

Answer 1

can u isolate 7x+2y from 7x+2y-6z=12

Answer 2

@hartnn Would it be 6/12?

Answer 3

7x+2y-6z=12
add 6z on both sides, what u get ?
....wait 6/12 as final answer ?

Answer 4

yep!

Answer 5

correct! good work! :)

Answer 6

@hartnn Wait, that's not part of the answer choices!

Answer 7

Would it be 1/12?

Answer 8

not 1/12 ...
6/12 can be simplified!

Answer 9

I know, 1/2 is not on there either /:

Answer 10

:O

Answer 11

list the choices...

Answer 12

7x+2y = 12+6z = 6 (2+z)
(7x+2y)/(2+z) = 6
(2+z)/(7x+2y) = 1/6
sorry :\

Answer 13

@hartnn No, I'm sorry! I keep making stupid mistakes

Answer 14

we did same mistakes :P