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06-09-2015
Mathematics

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explain the error: is the stepped-out solution correct?

17 - 5y < 8y -9
-13y < -26
y < 2

Respuesta :

06-09-2015

(whenever you have an equality and you divide each side by a negative number you have to "switch the sign")

17 - 5y < 8y -9
-13y < -26
y< 2 is incorrect , but y > 2 is the answer

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