53x-7 = 33x-7 হলে x = কত ?
A 1/2
B 7/3
C 3
D none
Correct Answer: Option B
53x-7 = 33x-7 ⇒ 53x-7/ 33x-7=1⇒ (5/3)3x-7=1⇒ (5/3)3x-7 = (5/3)0⇒ 3x-7 = 0⇒ x = 7/3
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