0 9x=5 4 July 8, 2019 16 32 64 128 0 9x 5 4 0 9x 5 4 x 4x2 9x 5 0 4x 9x 5 0 9x 4y 5 0 6xy 9x 4y 5 0 0 9 x =5 4 0 9х=5 4 5 x 0
