Dyancey818 Dyancey818

11-07-2017
Mathematics

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If you substitute 3 for x what is the matching value for y? -3x-y=-7

Respuesta :

musiclover10045 musiclover10045

11-07-2017

-3(3) - y = -7

-9- y = -7

add 9 to each side -y = 2

y=-2

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