Question

Solve the following system of equations graphically.
2x + y = 8,x+y=25​

Answer 1

Answer:

2x - x + y - y = 8-25

x + y = 17

Answer 2

Answer:

2x+y=8.....eqn(1)

x+y=25.....eqn(2)

by elumination method:

x=-17

sub x=-17 for eqn(1)

therefore y=42