Hỏi đáp về Bất phương trình bậc nhất một ẩn - Đại số 8

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Bài 1


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Giúp mình với 3 bài luôn nhé mình gấp lắm


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ìm bất phương trình sau 

a,    x/2 +4 >=2x/x-1

b,    3/x+1 - 1/x-1>2
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Bài 14


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Giúp e với
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            [faq_title] => Cho a < b , chứng tỏ 2a - 3 < 2b - 3 ?
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giúp mình với

a) Cho a < b , chứng tỏ 2a - 3 < 2b - 3   b) giải bất phương trình sau và biểu diễn tập nghiệm trên trục số : 3 ( x - 1 ) > 2x - 1
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            [faq_code] => 
            [faq_content] => 
Các bạn giúp mình với ah

Giải bất phương trình sau: \(\frac{{1 - 2x}}{2} - \frac{{x + 1}}{3} \le 2\)?
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            [faq_title] => Giải bất phương trình \(2 - \frac{x}{4} < 5\)?
            [faq_code] => 
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Giải bất phương trình \(2 - \frac{x}{4} < 5\)?

 
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            [faq_code] => 
            [faq_content] => 

	
các bạn giúp mình với
	
a/ (4x-5​/x+2)-1>0
	
 b/ 2x2 <16

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mong các bạn giúp mình với

Giải BPT  2x2 <16

 
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            [faq_code] => 
            [faq_content] => 
Câu b nha

Giúp mình nha


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            [faq_code] => 
            [faq_content] => 
Giúp mình giải câu b.


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            [faq_title] => Chứng minh ({left( {a + 1} 
ight)^2} > aleft( {a + 2} 
ight))?
            [faq_code] => 
            [faq_content] => 
Giải hộ mình nha

Chứng minh

\({\left( {a + 1} \right)^2} > a\left( {a + 2} \right)\)
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            [faq_content] => 
A. A = 6x - 1

B. A = 1 - 2x

C. A = - 1 - 2x

D. A = 1 - 6x
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            [faq_content] => 
A. m ≠ 1   

B. m ≠ 2

C. m = 1,m = 2   

D. m ∈ R
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            [faq_title] => Giải phương trình |x-9I =2x+5
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(x/x+3+3-x/x+3.x^2+3x+9/x^2-9):3/x+3
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