Question

解方程1/8{1/6[1/4(x/3+2/3+5)-7]+9}=1

Answer 1

1/8{1/6[1/4(x/3+2/3+5)-7]+9}=1

1/6[1/4(x/3+2/3+5)-7]+9=8

1/6[1/4(x/3+2/3+5)-7]=-1

1/4(x/3+2/3+5)-7=-6

1/4(x/3+2/3+5)=1

x/3+2/3+5=4

x/3=-5/3

x=-5