4x - 20 = 40 - 11x হলে, x এর মান কত?

A 6

B 5

C 4

D 3

Solution

Correct Answer: Option C

4x - 20 = 40-11x
বা, 4x + 11x = 40 + 20
বা, 15x = 60
বা, x = 4

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