Question

$\sqrt{x^2}$=x , $\sqrt{y^2}$=-y  ve |x+1|-|y-2|=7 ise x+y toplamı kaç ?

Answer 1

$\sqrt{x^2}$=|x|=x , $\sqrt{y^2}$=|y|=-y  

|x+1|-|y-2|=7 

x+1+y-2=7

x+y=8