brandivogt108
brandivogt108 brandivogt108
  • 18-12-2019
  • Mathematics
contestada

2x + 3y = -1; 3x + 5y = -2

Respuesta :

Yang100
Yang100 Yang100
  • 18-12-2019

Answer:

x=1, y=-1. (1, -1).

Step-by-step explanation:

2x+3y=-1

3x+5y=-2

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

3(2x+3y)=3(-1)

-2(3x+5y)=-2(-2)

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

6x+9y=-3

-6x-10y=4

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

-y=1

y=-1

2x+3(-1)=-1

2x-3=-1

2x=-1+3

2x=2

x=2/2

x=1

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