Given that $-3 \le 7x + 2y \le 3$ and $-4 \le y - x \le 4$, what is the maximum possible value of $x + y$?
Please write out your eqations not just a graph. Thanks a ton.
The math problem is unreadable with symbols. Try rewriting it normally.
Answer: https://web2.0calc.com/questions/please-help_149
--7H3_5H4D0W