Question

x-3=12 then whats the value of x-3=3?

Answer 1

12?

Answer 2

is this a real question

Answer 3

x = 12 + 3

x = 15.

Now, x = 15 into equation 2.

15-3 = 3

\[12 \ne 3\]

Answer 4

what? do you mean and thank you!