Question

which is not solution of x+y=7​

Answer 1

Step-by-step explanation:

Given

x + y = 7……………..(1)

Let us consider x = 1

Then equation (1) becomes

1 + y = 7

y = 6

Let us consider x = 2

Then equation (1) becomes

2 + y = 7

y = 5

∴ (1,6) and (2,5) are the two solutions of x + y = 7.

this the solution of it but can I ask why do you say

not solution?