3 7x )( 9x 1 July 8, 2019 16 32 64 128 7x 3 9x 15 7x 3 9x 11 7x 1 )-( 9x 3 )= 5 Y 7x 3 9x 2y 14 1 7x 3 8 )+( 2 9x 1 8 X 4 x 3 7x 2 9x 18 X 4 x 3 7x 2 9x 18 0 X 3 7x 2 x 2 9x 14 7x 1 )-( 9x 3 )= 16 7x 3 9x 13 7x 3 9x 19 7x 3 9x 10 7x 3 9x 14 2x 5 7x 3 2 9x 1 )+ 6 Solve 7x 3 9x 19
