Question

a/7=b/3=3a-2b/k find k

Answer 1

Answer:

k=15

Step-by-step explanation:

a/7=b/3=(3a-2b)k

->a/7=b/3

->a=7b/3

->(3a-2b)/k=b/3

->(3(7b/3)-2b)/k=b/3

->((21b/3)-2b)/k=b/3

->(21b-6b)/3k=b/3

->15b/3k=b/3

->45b=3kb

->3k=45

->k=15