Question

2. x+y=5
X-y=8.
solve in graphically​

Answer 1

Answer:

$x + y = 5 \\ \\ x = 5 - y \\ \\ \\ x - y = 8 \\ \\ 5 - y - y = 8 \\ \\ 5 - 2y = 8 \\ \\ 2y = - 3 \\ \\ y = \frac{ - 3}{2} \\ \\ x = 5 - y \\ \\ \\ x = 5 - \frac{3}{2} \\ \\ x = \frac{7}{2}$