Question

Tìm y:

(8 x y - 1942) x 1947= (2000 - 1942) x 1947

Answer 1

=>8y-1942=2000-1942

=>8y=2000

=>y=250

Answer 2

(8x y- 1942)x1947= 58x1947
(8xy-1942)x1947= 112926
8xy-1942= 112926:1947
8xy-1942= 58
8xy= 58+ 1942
8xy= 2000
    y= 2000:8
     y= 250