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How much is 3 minus 5?
It's eight
Negative is positive
3-（-5）=8
How much is minus three minus five?
-3-（-5）
=-3+5
=2
When a equals three, B equals minus four, C equals minus five, what is the value of a plus minus B minus C
a=3;b=-4;c=-5
3+4-5=2
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