यदि 7x = 3x + 24 है, तो x बराबर है:
A6
B4
C5
D2
Answer & Solution
Correct answer: A. 6
दोनों पक्षों से 3x घटाने पर 4x = 24 प्राप्त होता है, इसलिए x = 6।
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