X 5 11 1 15 July 8, 2019 16 32 64 128 X 5 11 1 15 solve the equation X 5 11 1 15 solution X 3 5 x 1 2 11 15 X 1 11 2x 5 15 X 5 11 is equal to 1 by 15 X 1 11 2x 5 15 3x 47 17 11 5 8 x 15 1 2 frame Usps 11 5 8 x 15 1 8 X upon 5 11 is equal to 1 upon 15 X-5 11