Zero minus zero equals zero.
It is equal to zero.
Zero
"minus zero" is the same as plus zero in that it makes no difference to the sum. So the answer is -3.
-2
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Zero
Anything minus itself is zero.
because both are minus and minus and minus is below zero, it would be 2 further below zero, -7-2=9
Zero.
x = 1
Anything minus itself equals zero.
re-express as: -247 + 221 = -26