Question

which of the following in not the solution of the equation 2x + y is equal to 7​

Answer 1

Answer:

ANSWER

We have to check whether these pairs satisfy equation 2x+y=7 or not. 

So, we will put these pairs one by one.

A) (1,5)⇒2×1+5=7 so, it satisfies.

B) (3,1)⇒2×3+1=7 so, it satisfies.

C) (1,3)⇒2×1+3=5 so, it does not satisfies.

D) (1,5)⇒2×0+7=7 so, it satisfies.