Các câu hỏi tương tự
tim x, biet; 35 x=7 x+16
tim x biet : x . (x 2)= 35
Tim so tu nhien x, biet:
3 mu 2=27
x mu 3=9x
tim so tu nhien x biet
a) ( 9x - 21 ) : 3 =2
tim so tu nhien x biet: (x - 35) - 120 = 0
Tim B cua 15 biet 1 < x <35
tim x biet
2x=4y , 3y=5z va 2x +3y +5z = 2000
tim x,y,z thuoc N biet :
a)63x-24y-195z=-2000
tim x biet 2/3x-(70+10/11):(13/15+13/35+13/63+13/99)=-5