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18 votes
Please help me guys.......

Please help me guys.......-example-1
User ESV
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3.3k points

2 Answers

7 votes
Pretty sure its +9 cuz if you add 9 to all of the in put they come out as the out put
User Evgeny Mamaev
by
3.2k points
7 votes

Answer:

9

Explanation:

9+9= 18

User Sepang
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3.9k points