यदि (x-3y=1) और (y=2), तो (x) का मान क्या है?
If (x-3y=1) and (y=2), what is the value of (x)?
Explanation opens after your attempt
D. (x=7)
Concept
(x-6=1), so (x=7). After substitution, move the constant term to the other side.
Why this answer is correct
The correct answer is D. (x=7). (x-6=1), so (x=7). After substitution, move the constant term to the other side.
Exam Tip
(x-6=1), इसलिए (x=7)। प्रतिस्थापन के बाद स्थिर पद को दूसरी तरफ ले जाएँ।
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