Question

Daca |2-x|+ |y+3|=0 atunci x+y?​

Answer 1

 

$\displaystyle\bf\\ |2-x|+ |y+3|=0\\\\\implies~|2-x|=0~~si~~|y+3|=0\\\\|2-x|=0~\implies~2-x=0~\implies~\boxed{\bf x=2}\\\\|y+3|=0~\implies~y+3=0~\implies~\boxed{\bf y=-3}\\\\x+y=2+(-3)=2-3=\boxed{\bf -1}$