1/2{1/3[1/4(1/5x-1)-6+3}=1 解方程

问题描述:

1/2{1/3[1/4(1/5x-1)-6+3}=1 解方程

1/2{1/3[1/4(1/5x-1)-6]+3}=1
1/3[1/4(1/5x-1)-6]+3=2
1/3[1/4(1/5x-1)-6]=-1
1/4(1/5x-1)-6=-3
1/4(1/5x-1)=3
1/5x-1=12
1/5x=13
x=65