Algebra Problem! 2 (2 - x) + 3x ( greater than or equal to sign) 0?

2008-12-19 9:53 am

回答 (7)

2008-12-19 10:54 am

✔ 最佳答案

2(2 - x) + 3x ≥ 0
2*2 - 2*x + 3x ≥ 0
4 - 2x + 3x ≥ 0
3x - 2x + 4 ≥ 0
x + 4 ≥ 0
x ≥ -4

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2008-12-19 10:02 am

2(2-x)+3x>=0
4-2x+3x>=0
x>=-4

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2008-12-19 12:30 pm

First 4-2x+3x=>0
4+x=>0
x=>-4.

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2008-12-19 10:38 am

2 (2 - x) + 3x â¥ 0
4 + x â¥ 0
x â¥ - 4

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2008-12-19 10:06 am

2(2 - x) + 3x >=0

4 - 2x + 3x >= 0

4 + x >= 0

:. x >= -4

參考: self

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2008-12-19 10:04 am

2(2-x) + 3x >= 0
=> 4 - 2x + 3x >= 0
=> 4 + x >= 0
=> x >= -4

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2008-12-19 10:03 am

4-2x+3x>=0 x>=-4

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