असमानता (7-2(1-x)>3x-4) को हल कीजिए।
Solve the inequality (7-2(1-x)>3x-4).
Explanation opens after your attempt
A. (x<9)
Concept
The left side becomes (5+2x) so (5+2x>3x-4) gives (x<9). Signs change while opening a negative bracket.
Why this answer is correct
The correct answer is A. (x<9). The left side becomes (5+2x) so (5+2x>3x-4) gives (x<9). Signs change while opening a negative bracket.
Exam Tip
बायां पक्ष (5+2x) बनता है इसलिए (5+2x>3x-4) से (x<9) मिलता है। ऋण कोष्ठक खोलते समय संकेत बदलते हैं।
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