What's four fifths 16 divided by 65 minus one fifths

What's four fifths 16 divided by 65 minus one fifths


16/20=42/65=1-1/5=4/5=8/10



(2x / 3) + [1 / 5 times (2x / 3 + 21) - 3] = x solves the equation


(2x / 3) + [1 / 5 times (2x / 3 + 21) - 3] = x
2/3X+2/15X+21/5-3=x
-3/15x=-6/5
x=6