x এর মান কত হলে, 72.33x-5 = 23 হবে?

A 3/5

B 2

C 5/3

D 1

Solution

Correct Answer: Option D

   72.33x-5  = 2 

বা, 8 x 9.33x-5  = 2

বা, 8.3.33x-5  = 8 

বা, 33x-5+2  = 1 

বা, 33x - 3  = 1 

বা, 33x-3  = 3 

বা,  3x - 3 = 0 

বা, 3x = 3 

     x = 1 

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