x + y = 8, x - y = 2 হলে y এর মান কত?

A 5

B 3

C 2

D 4

Solution

Correct Answer: Option B

x + y = 8............(1)
x - y = 2.............(2)

(1) - (2) ⇒
x + y - x + y = 8 - 2
⇒ 2y = 6
⇒ y = 3

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