annayahwak annayahwak

17-07-2021
Mathematics

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Can someone please explain how to do number 23 I have no idea how to do it.

Can someone please explain how to do number 23 I have no idea how to do it class=

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17-07-2021

Ok so first equate all the three equations whether by substituting or by eliminating then choose the one das not the answer

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