alleryयदि 5x - 7 = 18 है, तो x का मान ज्ञात कीजिए।
A6
B5
C3
D4
Answer & Solution
Correct answer: B. 5
दोनों पक्षों में 7 जोड़ने पर 5x = 25 प्राप्त होता है, और 5 से भाग देने पर x = 5 प्राप्त होता है।
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