5-5=0

Yes. 5 - 5 = 0.

Reason:

• Subtracting a number from itself yields zero: a - a = 0 for any a.
• In additive terms: 5 - 5 = 5 + (-5) = 0.
• On a number line: starting at 5 and moving 5 units to the left lands at 0.

Want more examples or a quick general rule (a - b = 0 iff a = b)?