\(\left|x+2\right|=8\)
\(=>\left[{}\begin{matrix}x+2=8\\x+2=-8\end{matrix}\right.=>\left[{}\begin{matrix}x=6\\x=-10\end{matrix}\right.\)
\(-3+\left|x+2\right|=5\)
\(\left|x+2\right|=8\)
=> x+2=8 hoặc x+2=-8
x=6 x=-10
-3+|x+2|=5
|x+2|=5-(-3)
|x+2|=8
=>x+2=8,-8
TH1:x+2=8
x =8-2
x=6
TH2:x+2=-8
x=-8-2
x=-10