SOLUTION: 2/3 + 3k/4=71/12 I come up with k=7 but am having trouble showing my work.

Algebra ->  Equations -> SOLUTION: 2/3 + 3k/4=71/12 I come up with k=7 but am having trouble showing my work.      Log On


   

Question 56601This question is from textbook prentice hall mathematics algebra 1
: 2/3 + 3k/4=71/12
I come up with k=7 but am having trouble showing my work. This question is from textbook prentice hall mathematics algebra 1

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
2/3+3K/4=71/12
3K/4=71/12-2/3
3K/4=71/12-8/12
3K/4=63/12
3K*12=63*4
36K=252
K=252/36
K=7
PROOF
2/3+3*7/4=71/12
21/4=71/12-2/3
21/4=(71-8)/12
21/4=63/12
63*4=21*12
252=252