rozan7ntaviandycait rozan7ntaviandycait

02-09-2016
Mathematics

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x + y = 5. --------------. 3x + z = 2. --------------. 4y – z = 8 . x=? y=? . z=?

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tydah4lifebaby tydah4lifebaby

02-09-2016

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(3x-4y)/(xy)=-8 (2x 7y)/(xy)=43

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