Question

|x+12|+|y-13|=0

Answer 1

Vì \(\left\{{}\begin{matrix}\left|x+12\right|\ge0\\\left|y-13\right|\ge0\end{matrix}\right.\) nên \(\left|x+12\right|+\left|y-13\right|=0\)

\(\Leftrightarrow\left\{{}\begin{matrix}\left|x+12\right|=0\\\left|y-13\right|=0\end{matrix}\right.\) \(\Leftrightarrow\left\{{}\begin{matrix}x+12=0\\y-13=0\end{matrix}\right.\)

\(\Leftrightarrow\left\{{}\begin{matrix}x=-12\\y=13\end{matrix}\right.\)

Vạy x = -12, y= 13

Answer 2

| x + 12 | + | y - 13 | = 0

\(\Leftrightarrow\left[{}\begin{matrix}x+12=0\\y-13=0\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=-12\\y=13\end{matrix}\right.\)

Vậy x = -12 ; y = 13