tim x,y biet

a)\(\left(x-y-2\right)^2+7=\frac{14}{\left|y-1\right|+\left|y-3\right|}\)

tim x,y biet

a)\(\left|x-1\right|+\left|3-x\right|=\frac{6}{\left|y+3\right|+3}\)

tim x biet

a)x²+/x-3/=x²+/2x-3/

Cho a/b=b/c=c/d=d/a,(a+b+c+d khac 0)

Tinh M=2019a-2018b/a+b=2018c-2017d/c+d

tim x biet:a)/x+1/+/3x-1/+/x-1/=3

b)/x-2/+/x-7/=4