mollydishman17
mollydishman17 mollydishman17
  • 24-01-2021
  • Mathematics
contestada

X=-4+y and -2x-5y=15

Respuesta :

gwenspooner85
gwenspooner85 gwenspooner85
  • 24-01-2021

Answer:

x=-5, y=-1

Step-by-step explanation:

Substitute x=-4+y into -2x-5y=15. So we have

-2(-4+y)-5y=15

8-2y-5y=15

-7y=7

y=-1

And x is -4+y so x= -4+(-1)= -5.

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