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16-02-2016
Mathematics

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The product of 87 and an unknown number subtracted from 65 is equal to the product of -43 and the same number.

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angelamariacruzm angelamariacruzm

16-02-2016

yo no se :( porque mis capacidades no me dan

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16-02-2016

65-(87+x)= -43 +x

distribute the - its going to be 65-87-x = -43+x

-22-x = -43+x

-x= -21+x

-2x =-21

x= 21/2

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