1/6(5y+1)与1/8(9y+1)-1/3(1-y)的值相等
即 1/6(5y+1)=1/8(9y+1)-1/3(1-y)
5/6y+1/6=9/8y+1/8-1/3+1/3y
1/6+1/3-1/8=9/8y+1/3y-5/6y
3/8=5/8y
y=3/5
1/6(5y+1)与1/8(9y+1)-1/3(1-y)的值相等
即 1/6(5y+1)=1/8(9y+1)-1/3(1-y)
5/6y+1/6=9/8y+1/8-1/3+1/3y
1/6+1/3-1/8=9/8y+1/3y-5/6y
3/8=5/8y
y=3/5