Maths homework

2013-10-04 2:44 am
Please help me to find the answer step by step !



y+3x+2y-4x







The answer from step !

Quickly please!
更新1:

步驟啊! 唔該!

回答 (1)

2013-10-04 3:49 am
✔ 最佳答案
y+3x+2y-4x
=y+2y+3x-4x
=3y-x

希望可以幫到你
參考: 我


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