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5 votes
How to do the problem

How to do the problem-example-1
User Snowe
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2 Answers

1 vote
-15+n=-9
n=15-9
n=6
So the answer will be 6
User TechSpellBound
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8.3k points
3 votes

-15 + n = -9

inverse operation

- -15 --15

n = -6


User JoelBonetR
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