(1/4x+4)除以(x+8)=1/3

问题描述:

(1/4x+4)除以(x+8)=1/3

(1/4x+4)除以(x+8)=1/33(1/4x+4)=x+83/4x+12=x+8x-3/4x=12-81/4x=4x=16