असमानता (8-3(2x+1)>-7) का संख्या रेखा हल कौन-सा है?
Which is the number line solution of (8-3(2x+1)>-7)?
Explanation opens after your attempt
A. (x<2), (2) पर खुला बिंदु और बाईं ओर(x<2), open dot at (2) shaded left
Concept
(8-6x-3>-7) gives (5-6x>-7), so (x<2). In exams, reverse the sign when dividing by a negative coefficient.
Why this answer is correct
The correct answer is A. (x<2), (2) पर खुला बिंदु और बाईं ओर / (x<2), open dot at (2) shaded left. (8-6x-3>-7) gives (5-6x>-7), so (x<2). In exams, reverse the sign when dividing by a negative coefficient.
Exam Tip
(8-6x-3>-7) से (5-6x>-7), इसलिए (x<2)। परीक्षा में negative coefficient से divide करते समय sign reverse करें।
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