সমীকরণের সমাধান কোনটি? 

A 7

B 1

C 3/5

D 1/3

Solution

Correct Answer: Option A

5(5x - 2)/11 = 5(2x + 1)/5
বা, 5(5x - 2) = 11(2x + 1)
বা,  25x - 10 = 22x + 11
বা, 25x - 22x = 11 + 10
বা, 3x = 21
∴x = 7

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