यदि (x+y=6) है, तो (3x+3y-4) का मान क्या होगा?
If (x+y=6), what is the value of (3x+3y-4)?
Explanation opens after your attempt
B. (14)
Concept
(3x+3y-4=3(x+y)-4=18-4=14). When coefficients are the same, take the common factor out.
Why this answer is correct
The correct answer is B. (14). (3x+3y-4=3(x+y)-4=18-4=14). When coefficients are the same, take the common factor out.
Exam Tip
(3x+3y-4=3(x+y)-4=18-4=14)। समान गुणांक हो तो सामान्य गुणक बाहर लें।
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