7 x 13 4x July 8, 2019 16 32 64 128 X 13 7x 7 4x 18 180 4x 13 7 x 2 )+ bx X 1 7 4x 13 4 7x 7 4x 13 7 7x 1 )- 4x 13 3x 2 4x 7 x 13 on a number line 3 4x 7 x 13 X 13 7x 7 4x 18 7 x 13 x 4 7 x 13