Math, asked by suryaswarnkar2006, 8 hours ago

solve the last one question ...(11)

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Answers

Answered by taniyapahal

1

Answer:

4.5

Step-by-step explanation:

U={1,2,3,4,5....}

2x+1 =10

2x =10-1

2x =9

x =9/2

x =4.5

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