could someone tell me how i could solve this chem equation

Question

CH4 + NH3 +O2...> HCN +H20

AND USE THE LOWEST WHOLE NUMBER COEFFICIENT

i WOULD BE GRATEFUL FOR ANY POINTERS

Try these coefficients.
2,2,3==>2,6

Hi bex heres a little more help for you.
Answer is 2CH4+2NH3+3O2-->2HCN+6H2O.
I leave it to you to put the states in.