Question

solve grafically X+Y=7
3X-Y=1
​

Answer 1

Step-by-step explanation:

Given,

X+Y= 7

3X-Y= 1

$x + y = 7 \\ 3x - y = 1 \\ by \: adding \: these \: equations \\ 4x = 8 \\ x = \frac{8}{4} \\ x = 2$