2x + 2 = 16 হলে 5x − 2 এর মান কত?

A 3

B 2

C 1

D 4

Solution

Correct Answer: Option C

  2x + 2 = 16 

⇒  2x + 2  = 2

⇒ x + 2 = 4

⇒ x = 2 

 5x − 2  =  52-2 

          = 5

          = 1  

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