SOLUTION: 11k-7=4k+21

Algebra ->  Sequences-and-series -> SOLUTION: 11k-7=4k+21      Log On


   

Question 302011: 11k-7=4k+21
Answer by london maths tutor(243) About Me  (Show Source):
You can put this solution on YOUR website!
11k-7=4k+21
11k-4k = 21+7
7k = 28
k = 28/7
k = 4