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valentina_108 [34]
3 years ago
12

Help me please ASAP !!!!!

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0
You want k such that
.. (10 +k)/2 = 7
Multiplying by 2, we have
.. 10 +k = 14
Then
.. k = 14 -10
.. k = 4
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