x + 5y = 24 এবং x= 3y হয়, তাহলে y এর মান কত?

A 3

B 7

C

D 9.5

Solution

Correct Answer: Option A

x + 5y = 24
⇒ 3y + 5y = 24
⇒ 8y = 24
⇒ y = 24/8
∴ y = 3

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