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Use a number line to add or subtract. 3−(-1)=
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4 votes
Use a number line to add or subtract.
3−(-1)=

User MamaWalter
by
8.6k points

1 Answer

7 votes

Answer:

4

Explanation:

rule 1 positive + positive= positive

rule 2 negative plus negative = negative

User Lashaun
by
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