25-10-2019
Mathematics

contestada

1. -x=10y

2. y+8=-x

3. -4+7x+4=3y

Respuesta :

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25-10-2019

Answer:

1 y=-1/10x

2 y=-x-8

3 y= 7/3x or 2 1/3x

Step-by-step explanation:

1 -x=10y

divide -x and 10 by 10

2 y+8=-x

subtract 8

3 -4+7x+4=3y

divide everything by 3

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