Các câu hỏi tương tự
tim x thuoc Z,biet : (x-1).(xy+3)
tim x, y thuoc z biet (x+7 ) (xy + 1)= 9
Tìm x, y thuoc Z biet
xy + 3x - 7y = 21
tim x, y thuoc z biet xy-x+2y=3
tìm x, y thuoc z biet :
(2x-1)(2y-3x)=-24
xy-x+y=1
giup minh nhe sarah xin cam on
tim x,y thuoc Z biet xy=x-y
tim x,y thuoc Z biet
a,xy-3x+2y=17
b,xy+3x-4y=19
Tim x,y thuoc Z biet
a, xy - 2x - 3y = 5
b,5xy - 5x + y = 5
c,x + xy + y = 9
tim xy thuoc so nguyen biet
a,xy+x-2y=-1