3x 2 5x 7 )( 6x 1 July 8, 2019 16 32 64 128 5x 7 x 2 6x 3x 16 5x 7 )( 3x 2 )-( 4x 5 )( 6x 1 3x + 2y = 6 5 x 7 = 35