3 7 x 4 21 July 8, 2019 16 32 64 128 2 3 4 7 x 11 21 7 8 3 14 x 21 4 2 x 3 )/ 7 x 2 13x 4 21 3 4 7 8 x 21 2 3 4 x 22 7 x 21 Solve 4 7 x 3 21 4 3 x 22 7 x 213 3 x 4 )- 21 7 5 x )+ 21x 4 3 x 22 7 x 216 6 x 3 y 21 7 x 4 y 2 21 12 4 3 x 7
