Question

Solve:
2x + y = 11
x + y = 8​

Answer 1

2x+y=11

x=3

y=5

x+y=8

x=5

y=3

Answer 2

Answer:

2x+y−11=0

x−y−1=0

plotting graph : 2x+y−11=0

x

0

2

11

5

y

11

0

1

plotting graph: x−y−1=0

x

0

1

2

y

−1

0

1

The solution is (4,3)

The points where the lines meet y-axis are:

(0,11) and (0,−1).