Annie8023 Annie8023

02-02-2017
Mathematics

contestada

Do someone know how to do #9 & 10, help me please thank you!

Do someone know how to do 9 amp 10 help me please thank you class=

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Zetrone Zetrone

02-02-2017

multiply first formula by 2, then do formula 1-formula 2

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question is link so do that.

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