53x-7 =33x-7 হলে x=কত?

A 3/7

B 1/2

C 7/3

D 3/5

Solution

Correct Answer: Option C

53x-7 =33x-7
বা,(5/3)3x-7 =1
বা,(5/3)3x-7  = (5/3)⁰  [যেহেতু a0=1]
বা,3x-7=0
বা,3x=7
বা,x=7/3

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