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27-10-2020
Mathematics

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Solve the following system of equations using the substitution method. y = x – 1 2x – 3y = –1

Respuesta :

27-10-2020

Answer:4/15

Step-by-step explanation:

-12x-3y= -1

-12x-3(x-1)= -1

-12x-3x+3= -1

-15x+3= -1

-15x= -1-3

-15x= -4

x=4/15

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