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Rom4ik [11]
2 years ago
7

Please help I don’t understand

Mathematics
1 answer:
irakobra [83]2 years ago
5 0

Answer:

a. 79

Step-by-step explanation:

Use this theorem

x =  \frac{101 + 57}{2 }  \\ x =  \frac{158}{2}  \\ x = 79

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