Maths

2006-12-19 7:50 am

4(2X+1)=3(8-X)

回答 (4)

2006-12-19 7:57 am

✔ 最佳答案

4(2X+1)=3(8-X)
8x+4=24-3x
11x=20
x=20/11
x=1又10/11

2006-12-19 16:12:42 補充：
x唔係1又10/11係1又9/11打錯個數字sor

2006-12-19 16:14:55 補充：
如果要答小數就係x= 1.82 (4寫5入)

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2006-12-19 11:15 pm

4(2X+1)=3(8-X)
8X+4=24-3X
8X+3X=24-4
11X=20
X=20/11
X=1又9/11

參考: me

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2006-12-19 7:57 am

4(2X+1)=3(8-X)
8x + 4 = 24 - 3x
8x + 3x = 24 - 4
11x = 20
x = 20/ 11

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2006-12-19 7:53 am

8x +4 = 24 - 3x
11 x = 20
x = 20/11

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