若x\3=y\4=z\5,则代数式(x+2y+3z)\2x的值为

问题描述:

若x\3=y\4=z\5,则代数式(x+2y+3z)\2x的值为
复习了,忘了前面的了,多多包涵

设k=x\3=y\4=z\5
x=3k
y=4k,
z=5k
(x+2y+3z)\2x
=(3k+2*4k+3*5k)/(2*3k)
=26/6
=13/3