Question

Out of the following which one is the solution of the equation 2x+y=1 ?
1) (1,0)
2) (1,1)
3) ( 1,-3)
4) (-2,3)​

Answer 1

Answer:

If 2x+y=5 and x+2y=1 then x+y = ?

Answer 2

Given,

equation 2x + y = 1                             (1)

To Find,

which one is the solution of the equation 2x + y =1

1) (1,0)

2) (1,1)

3) (1,-3)

4) (-2,3)

Solution,

checking option (1) by putting the value in the equation (1)

2(1) + (0) = 1

2 + 0 = 1

2 ≠ 0

now, checking option (2) by putting value in the equation (1)

2(1)  + (1) = 1

2 + 1 = 1

3 ≠ 1

checking option (3) by putting value in the equation (1)

2(1) + (-3) = 1

2 - 3 = 1

-1 ≠ 1

checking option (4) by putting value in the equation (1)

2(-2) + (3) = 1

-4 + 3 = 1

-1 ≠ 1

Hence none of the option satisfies the equation 2x + y = 1 .