Given that $-3 \le 7x + 2y \le 3$ and $-4 \le y - x \le 4$, what is the maximum possible value of $x + y$?
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Answer: https://web2.0calc.com/questions/please-help_149
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+9673 Given that \(-3 \le 7x+2y\le 3\text{ and }-4\le y -x \le 4\), what is the maximum possible value of x + y?
\(-10\le \dfrac{5y}{2} - \dfrac{5x}{2} \le 10\)
\(-13 \le \dfrac{9x}{2} + \dfrac{9y}{2} \le 13\)
\(\dfrac{-26}{9}\le x+y \le \dfrac{26}{9}\)
Maximum possible value is 26/9
