SOLUTION: 9(11-k)=3(3k-9)

Algebra ->  Equations -> SOLUTION: 9(11-k)=3(3k-9)      Log On


   

Question 20806: 9(11-k)=3(3k-9)
Answer by bonster(299) About Me  (Show Source):
You can put this solution on YOUR website!
9(11-k)=3(3k-9)
99-9k=9k-27 <--add 9k to both sides
(99-9k)+9k=(9k-27)+9k
99=18k-27 <--add 27 to both sides
99+27=(18k-27)+27
126=18k <--divide both sides by 18
126%2F18=18k%2F18
7=k