यदि (y=42+7x), तो (x) का कौन सा मान (y) को (13x) के बराबर बनाता है?
If (y=42+7x), which value of (x) makes (y) equal to (13x)?
Explanation opens after your attempt
C. (x=7)
Concept
The condition is (42+7x=13x). This gives (42=6x) and (x=7).
Why this answer is correct
The correct answer is C. (x=7). The condition is (42+7x=13x). This gives (42=6x) and (x=7).
Exam Tip
शर्त (42+7x=13x) है। इससे (42=6x) और (x=7) मिलता है।
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