Các câu hỏi tương tự
tim x biet (/-x-5/)/(x+5)=1
tim x thuoc z biet (x-5)^x+1-(x-5)^x+5
tim x biet : |x-5|=x-5
tim x biet
x-3/x+5=5/7
tim x biet |x-2|+|x-4|=5
tim x biet
/x+2/+/x-5/ = 7
Tim x biet 2.(x-3)-3.(x-1)-5
Tim x biet 2(|x-1|+x-4/5)=2x-2/5
a, Tim x biet:/x-2/+/3-2x/=2x+1
b, Tim x,y thuoc Z biet:xy+2x-y=5
c, tim x,y,z, biet :2x=3y;4y=5zva 4x-3y+5z=7