समीकरण (3x+y=9) के लिए (x=2) होने पर (y) का मान क्या है?
For (3x+y=9), what is the value of (y) when (x=2)?
Explanation opens after your attempt
A. (3)
Concept
(3(2)+y=9), so (6+y=9) and (y=3). While making a table, choose simple (x)-values.
Why this answer is correct
The correct answer is A. (3). (3(2)+y=9), so (6+y=9) and (y=3). While making a table, choose simple (x)-values.
Exam Tip
(3(2)+y=9), इसलिए (6+y=9) और (y=3)। तालिका बनाते समय ऐसे सरल (x) मान चुनें।
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