Question

Which is not the solution of equation x + 2y =7
a. 3,2
b. 1,1
c. 5,1
d. -1,4​

Answer 1

Option (b) : 1,1

Reason :

let x = 1 & y = 1

then substituting values we get ,

1 + 2(1) = 7

1 + 2 = 7

3 ≠ 7 .

Hence Proved .

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