Question

solve the simultaneous equation graphically y - 2x = 1 and 5y - x = 14​

Answer 1

Answer:

5y-x=14, 5y-10x=5

Subtract 2equation from 1

That gives 9x=9

Then x=1

Substitute x=1 in equation 1

That gives 5y-1=14

5y=15

And y=3