x+y= -5 , y+z= -16 , z+x= 19.tim z,x,y
tim x,y biet:x+3/y+5=3/5 va x+y=16
tim x biet :1+5+9+13+16+...+x=501501
tim x biet
2x+5.16=1024
Tim x: -4 phan 5 = 16 phan x
Giup em voi a
Tim so nguyen x,y biet
-5/x = y/16 = -18/72
Tim x thuoc Z biet:
|x-5|+x+3=16
||x+5|-4|=3
Cach lam nua nhe
Thank
Tim x
16^x<128^4
5x.5x+1.5x+2 < hoặc =100..0:2^18 ( 18 chữ số 0)
bai 1)tim x biet
a )24-(36+5)=x
b)14-21=(13-x)-(15+8)
bai 2) tim x biet
a)17-x=-25+(-16+9)
b)3x-21=-19-(-2x)