Respuesta :

Answer:

5

Step-by-step explanation:

Answer:

-1x

Step-by-step explanation:

5x + 5y = 15

5x - 15 = -5y ^^ Subtraction Property of Equality

x - 3 = -y ^^ Division Property of Equality

-x + 3 = y ^^ Multiplication Property of Equality

-x = slope

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