Jarielislaboy59 Jarielislaboy59

13-02-2021
Mathematics

contestada

Solve the system of equations by the addition method.
9x + y = - 12
8x - y = 5

Respuesta :

13-02-2021

Step-by-step explanation:

9x + y = -12

8x -y = 5

17X = -7

x -7/17

8(-7/17) -y = 5

-3.3 - Y = 5

-y = 8.3

Y = -8.3

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