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Can someone please help calculate the given expressions 199 - 199 -67 - -67 21 + -21 do i add and subtract normally
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2 votes
Can someone please help

calculate the given expressions
199 - 199
-67 - -67
21 + -21
do i add and subtract normally

User Hendrik Marx
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8.1k points

2 Answers

2 votes
yep, subtracting a negative is like adding. and the others are normal, adding a negative is like subtracting.
User Manishie
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7.4k points
4 votes
199-199=0
-67 - -67= 0
21 + -21= 0

I'm thinking that's how it goes.
User Piotr Olaszewski
by
7.3k points
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