X-(12.5%X+12.5%X+16)=48.5这个方程怎么解?（过程要清楚）_数学解答

X-(12.5%X+12.5%X+16)=48.5这个方程怎么解?（过程要清楚）

人气：400 ℃　时间：2020-04-11 07:04:55

解答

X-(12.5%X+12.5%X+16)=48.5
x-(25%x+16)=48.5
x-25%x-16=48.5
(1-25%)x=48.5+16
75%x=64.5
x=64.5÷75%
x=86