1 . যদি 8x + 4 = 64 হয়, তাহলে 2x +1 = ?
Answer: Option C
Explanation:
এখানে, 8x + 4 = 64
বা, 4(2x + 1) = 64
সুতরাং, 2x + 1 = 64/4 = 16.
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