Các câu hỏi tương tự
Tim x, y va z, biet :
a) x/2 = y/3 = z/4 va x + y + z =18.
b) x/5 = y/-6 = z/7 va x + y - z =32.
c) x/5 = y/3 = z/2 va 2x + 3y + 4z =54.
d) x/2 = y/3 = z/6 va 3x - 2y + 2z = 24.
Ai biet thi chi giup minh nha. Cang nhanh cang tot ! Minh xin cam on.
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
tim x, y thuoc Z biet 3/x/ phan 2 +5/y/ phan 3=8
tim x, y thuoc Z biet : x.y - 2.x - 3.y = 5 ( trinh bay nha )
bai tim x,y thuoc z biet
a,/-x/-(-4)=3
tim x,y thuoc Z biet
|y|.|2x+3|=8
|2x+4|+|y-3|=0
|x-1|+|2y+7|=3
|x+5|+|2y+6| nho hon hoac bang 0
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0
tim x,y thuoc z biet: x - y = 6 - 2xy
tim x,y thuoc z biet: x - y = 6 - 2xy