The calculation is incorrect. The correct calculation is:
35 - 17 = 18
So, indeed, 35 - 17 = 18 is a false statement. The correct answer is 35 - 17 = 18.
If you meant to say that it is true, then it's correct. If you are looking for the right answer, the equation should be:
35 - 17 = 18 is incorrect.
The right answer is:
35 - 17 = 18 17 + 18 = 35
Let me know if you have any questions about this!