Question

x+y=7,5x+2y=20 so the equation graphically ​

Answer 1

x+y=7_______________(1)*2

5x+7y=20_________(2)

from 1 and 2 on substracting

-3x=-6

x=2

put the value of x in 1

y=5

Answer 2

I think it will help you....

there is rough diagram of graph bcoz I not having graph at thiss time.....