把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.

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把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.
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把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.
把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.

把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.
您好:


5(x-y)+2(x-y)-4(x-y)=3(x-y)


不明白,可以追问
如有帮助,记得采纳,
谢谢 祝学习进步!

(5+2-4)(x+y)=3(x-y)

5(x-y)+2(x-y)-4(x-y)=3(x-y)