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Giải phương trình 2 ( m - 2 ) × x + 3 = m -5

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nguyenthiphuc1976000
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Đáp án:

 

Giải thích các bước giải:

 cho mik xin ctlhn ạ

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Đáp án: 

 

Giải thích các bước giải:

2 ( m - 2 )x + 3 = m -5

⇔ 2mx-4x +3 = m-5

⇔2mx-4x -m=-8

⇔2mx-4x -m+8=0

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Giải các phương trình sau

|5x-4|=|4-3x|

|x-2|=18-3x

|5-2x|+x=1

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