7x 3 9 4x July 8, 2019 16 32 64 128 7x 3 9 4x 3 6 x 2 7x 3 x 4x 9 5x 4x 5 7x 3 )= 9 x 5 4x 3 7x 9 ) 4 4x 2 )-( 7x 3 )= 9 9 7x 3 37 5 4x 4x 7x 3 9 simplified 9 7x 3 4x 27 15x 3 7x 4x 9 x 4x 3 7x 9 on a number line 5 7x 3 x 4x 9 2x 1 3 7x 9 )+ 2 3 4x 4x 5 2 7x 3 9 7x 5 8x 9 4x 3 12 x