X 2 y 3 5 x ky 7 0 July 8, 2019 16 32 64 128 X 2y 3 5x ky 7 0 unique solution X 2y 3 5x ky 7 0 find the value of k 3 x 4 y 7 0 5 x 7 y 2 0 X y 7 0 2 5 and x y 3 0 0 3 X+y 2 5+z xy
