Question

REPEDE DAU COROANA VA ROG REZOLVATI CEAM PUS PE POZA VA PUP HAI​

Answer 1

$\it |x-2|+|2x-4|=12 \Rightarrow |x-2|+2|x-2|=12 \Rightarrow 3|x-2|=12|_{:3} \Rightarrow \\ \\ \Rightarrow |x-2|=4 \Rightarrow x-2=\pm4 \Rightarrow x-2\in\{-4,\ \ 4\}|_{+2} \Rightarrow x\in\{-2,\ 6\}$