Metadata
Author: QED
Data
English[en]
Just as a hint, if you want to check your solution on a number line, when you plug in your values of x to 2x minus 4, the opposite value of that should still be less than 6.
Korean[ko]
도움말 준다면 수직선 위에 풀이를 학인할 때 x에서 2x- 4의 값을 넣을 때 저 반대값이