tealpandax tealpandax

29-10-2019
Mathematics

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Explain why the expression 2y-y can be written as y

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mekaylafoy mekaylafoy

29-10-2019

Answer:

2y is just 2 times y, so subtracted it would be 1y and 1y is just y.

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AllMathHelp AllMathHelp

29-10-2019

y+y-y cancels out two Ys in the expression. Therefore, Y+(y-y)=y.

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