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25-04-2021
Mathematics

contestada

Using substitution, solve the system of
equations.
y = 2x + 17
X – 9y = -17

Respuesta :

25-04-2021

Answer:

x = -8

y = 1

Step-by-step explanation:

y = 2x + 17

x – 9y = -17

y = 2x + 17

-9y = -x - 17 (Multiply by 2)

y = 2x + 17

-18y = -2x - 34

-17y = -17

y = 1

y = 2x + 17

1 = 2x + 17

2x = 1 - 17

2x = -16

x = -8

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