amberzeis amberzeis

14-02-2017
Mathematics

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Prove x×y=y×z then x=y when z doesn't equal 0

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sirwill007 sirwill007

14-02-2017

x = y
x times y = y times z

we can use the number 2 for x
x=2
y=2

2 x 2 = 2 x z
4 = 2z

divide both sides by 2

2 = z

So, x=y=z=2 they are the same value no matter what number is used.

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