यदि (y=80-5x), तो (x) का कौन सा मान (y) को (3x) के बराबर बनाता है?
If (y=80-5x), which value of (x) makes (y) equal to (3x)?
Explanation opens after your attempt
B. (x=10)
Concept
The condition is (80-5x=3x). This gives (80=8x) and (x=10).
Why this answer is correct
The correct answer is B. (x=10). The condition is (80-5x=3x). This gives (80=8x) and (x=10).
Exam Tip
शर्त (80-5x=3x) है। इससे (80=8x) और (x=10) मिलता है।
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