數學方程式

2007-08-08 12:03 am

5x=48-3x

回答 (5)

2007-08-08 12:08 am

✔ 最佳答案

5X=48-3X
5X+3X=48
8X=48
X=48除8
X=6

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2007-08-08 5:11 am

5X=48-3X
5X-3X+3X=48-3X+3X
5X+3X=48
8X(devide 8)=48(devide 8)
X=6

驗算:
6乘5=48-3乘6
30=48-18
30=30
(6=X)

參考: me

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2007-08-08 12:57 am

5x= 48-3x

5x+3x=48

8x=48

8x除以8(要用分數表示)=8份之48(要用分數表示)

x=6

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2007-08-08 12:14 am

X=6 ~!!!!!

參考: ME

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2007-08-08 12:09 am

5x = 48 - 3x
5x + 3x = 48
8x = 48
x = 6

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