👤

7a+3b/5a+b=8/5 caculeaza a/b


Răspuns :

(7a+3b)/(5a+b) =8/5

5(7a+3b)=8(5a+b)

35a+15b=40a+8b

35a-40a=8b-15b

-5a=-6b

5a=6b

a/b= 6/5