Please help. I will fan everyone that helps and give a medal.

Find the value of x:

9 4 9+n x
if — = —, then ——— = —
n m n m

Question

Please help. I will fan everyone that helps and give a medal.

 Find the value of x:

        9     4            9+n       x
    if — = —, then ——— = —
        n     m              n        m

anonymous · Answer

do you now whats the formula or any idea how to solve it

anonymous · Answer

please tell me what math subject this is

geerky42 · Answer

HINT: $\dfrac{9+n}{n}~~~ = ~~~\dfrac{9}{n}+\dfrac{n}{n} ~~~=~~~ \dfrac{9}{n}+1$

geerky42 · Answer

So $\dfrac{9+n}{n}~~ =~~ \dfrac{4}{m}+1 ~~=~~ \dfrac{4}{m}+\dfrac{m}{m} ~~=~~ \cdots~?$

anonymous · Answer

4
_
m

anonymous · Answer

Before I put 4 as answer but I got it wrong

geerky42 · Answer

$\dfrac{4}{m}+\dfrac{m}{m} ~~=~~ \dfrac{4+m}{m}$, right?

anonymous · Answer

yes