Question

-3 ≤ 7c + 4 < 18

Show steps on how you got the answer, thanks!!
edited question bc of typo D':

Answer 1

there is 2 ways to do this...you can break this apart into 2 inequalities..
-3 <= 7c + 4 and 7c + 4 > 8.....and solve them both...or you can get c by itself...I would have to show you how to do that. So which way do you want to proceed ?

Answer 2

Could you show me how to do both?

Answer 3

-3 <= 7c + 4 7c + 4 > 8
-3 - 4 <= 7c 7c > 8 - 4
-7 <= 7c 7c > 4
-1 <= c c > 4/7

and when put together, you get : -1 <= c > 4/7

Or this way...
-3 <= 7c + 4 > 8 --- subtract 4 from all 3
-4 -3 <= 7c + 4 - 4 > 8 - 4 -- simplify
-7 <= 7c > 4 -- divide all sides by 7
-7/7 <= 7c/7 > 4/7 -- simplify
-1 <= c > 4/7

Answer 4

thank you!!!!!

Answer 5

sure thing :)

Answer 6

the inequality makes no sense
-3>8 is not true

Answer 7

-3 ≤ 7c + 4 > 8
was this meant to be :
-3 ≤ 7c+4 < 8 ?

Answer 8

Oh!! Sorry I just realized the typo!! The problem's actually -3 ≤ 7c + 4 < 18. D':