4 7x 1 3 2x 1 4 x 6 July 8, 2019 16 32 64 128 4 7x 1 )= 3 2x 1 )-( 4x 6 4 7x-1 8=3 2+2 2x 4 7x - 1 2x = 4 34 4 x − 6 = 7 x + 1 2
