Part b) of this question to find the points of intersection of $y = |2x+3| - 4$ and $ y=-\frac{1}{4}x + 2$
However, in the given answer set, they seemed to have ignored the $-4$ constant in the first equation:
I have no idea why they would do this, and thus I got an different answer to that of the mark scheme. Am I wrong or is the examiner?