allery5x - 7 = 18 হলে x-এর মান নির্ণয় করুন।
A6
B5
C3
D4
Answer & Solution
Correct answer: B. 5
7 যোগ করলে পাওয়া যায় 5x = 25, এবং 5 দিয়ে ভাগ করলে পাওয়া যায় x = 5।
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