6 7 8 3 16 July 8, 2019 16 32 64 128 6 11 7 8 minus 3 16 6 11 7 8 plus 3 16 7 8 3 16 x 6 42 7 16y 6 8 3 8y 6 5 8 plus 3 7 16 7 8 divided by 3 16 x 6 42