x এর মান কত হলে (3 + x) + 3 (x + 3) = 0 হবে?
Solution
Correct Answer: Option B
(3 + x) + 3 (x + 3) = 0
⇒ 3 + x + 3x + 9 = 0
⇒ 4x + 12 = 0
⇒ 4x = -12
⇒ x = -12/4 = -3
⇒ x = -3
⇒ 3 + x + 3x + 9 = 0
⇒ 4x + 12 = 0
⇒ 4x = -12
⇒ x = -12/4 = -3
⇒ x = -3
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions