2x + 2 = 16 হলে 5x − 2 এর মান কত?
A 3
B 2
C 1
D 4
Correct Answer: Option C
2x + 2 = 16
⇒ 2x + 2 = 24
⇒ x + 2 = 4
⇒ x = 2
5x − 2 = 52-2
= 50
= 1
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