alleryযদি 5x - 7 = 18, তেন্তে x নিৰ্ণয় কৰক।
A6
B5
C3
D4
Answer & Solution
Correct answer: B. 5
7 যোগ কৰিলে 5x = 25 পোৱা যায়, আৰু 5-ৰে হৰণ কৰিলে x = 5 পোৱা যায়।
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