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Answer :

Answer:

x = 48

Step-by-step explanation:

x/2+21=45

subtract 21 on both sides

x/2 + 21 - 21 = 45  - 21

x/2 = 24

Multiply by 2 on both sides

x/2 * 2 = 24 * 2

x = 48

Check

48/2 + 21 = 45

24 + 21 = 45

45 = 45 CORRECT

Hope this helped!

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