8x 2 12x 16 July 8, 2019 16 32 64 128 X 4 3x 3 8x 2 12x 16 8x 3 12x 2 16x 8x 2 9x 1 4 12x 16 X 4 2x 3 8x 2 12x 16 2^x + 8^x = 130 8รท2(2+2)=1 or 16