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mylen [45]
3 years ago
15

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

Mathematics
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

4

Step-by-step explanation:

rule 1 positive + positive= positive

rule 2 negative plus negative = negative

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3 years ago
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lisov135 [29]

Answer:

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Given

2 1/5            x

---------- = -----------

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