5x-y/3=1/6
=>5x=1/6+y/3=1/3=>y=1
=>x=10
ok
thử tính máy mà xem
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
so cap so nguyen x,y thoa man dieu kien 3/x+y/3=5/6 la ... cap
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
so cap ( x , y ) nguyen thoa man (y +1 ) (2x +3 ) = 7 la.....
cho x ; y la cac so nguyen to sao cho gia tri tuyet doi cua x cong gia tri tuyet doi cua y bang 5 so cap so nguyen (x;y) thoa man la
a, co bao nhieu cap so nguyen ( x,y ) thoa man x + y=1
b. co bao nhieu cap so nguyen ( x,y ) thoa man x.2 + y =1
so cap x;y nguyen thoa man x>y va x/5=7/y la giup mik nhe mik tik cho !
so cap so nguyen (x;y) thoa man (2x-5)(y-6)=17
so cac cap (x;y) tu nguyen thoa man : x/5 - 4/y = 1/3