B 2
C 3
D -1
Correct Answer: Option C
Given that,
2x + 7 = 4x + 2
বা, 2x + 7 = (22)x + 2
বা, 2x + 7 = 22x + 4
বা, x + 7 = 2x + 4
বা, 2x - x = 7 - 4
So, x = 3
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