algebra equation

Question

0

471

4

is there a way to get 3 as the answer for 12r-5=7r? It also says that im supposed to get 3 as the answer but i dont know how. :/

Guest Jan 7, 2016

edited by Guest Jan 7, 2016
edited by Guest Jan 7, 2016
edited by Guest Jan 7, 2016
edited by Guest Jan 7, 2016
edited by Guest Jan 7, 2016

+128731

+5

Best Answer

1 is correct......a check is always advisable....

12 (1) - 5 = 7(1)

12 - 5 = 7

CPhill Jan 7, 2016

CPhill · Answer 1 · 2016-01-07T01:44:36

1 is correct......a check is always advisable....

12 (1) - 5 = 7(1)

12 - 5 = 7

Guest · Answer 2 · 2016-01-07T01:39:09

i can only get 1 as the answer

Hayley1 · Answer 3 · 2016-01-07T01:39:37

Well, Let's see!

12r-5=7r

-5 -5

-----------------

12r/2r

r=6

That's what I got. :)

Guest · Answer 4 · 2016-01-07T01:47:20

you wouldnt be able to get 3 because 12(3)-5=7(3) = 31=21 and twenty one does not equal thirty one