(16+x) x =mg (16+x) x =mg (16+x) x =mg （16+x） x mg ng (16+x) x =mg ng ,解得x=16n m-n ,

题目

(16+x) x =mg (16+x) x =mg (16+x) x =mg （16+x） x mg ng (16+x) x =mg ng ,解得x=16n m-n ,
写错了！嘻嘻!
(16+X)/X=M/N,求X

答案

同乘x
16+x = mx/n
16 = mx/n - x
16 = mx/n - nx/n
16 = (m-n)x/n
x = 16n/(m-n)