makaylayunt37 makaylayunt37

25-01-2022
Mathematics

contestada

Solve by substitution:

x - 5y = 32
2x - 9y = 57

Respuesta :

Yang100 Yang100

25-01-2022

Answer:

x=-3, y=-7. (-3, -7).

Step-by-step explanation:

x-5y=32

2x-9y=57

---------------

x=5y+32

2(5y+32)-9y=57

10y+64-9y=57

10y-9y=57-64

y=-7

x-5(-7)=32

x+35=32

x=32-35

x=-3

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