vivi1944 vivi1944
  • 09-09-2019
  • Mathematics
contestada

10x+18=-8y
4+9x=5y
Help me out please

Respuesta :

shelbyorozco
shelbyorozco shelbyorozco
  • 09-09-2019

Answer:

Step-by-step explanation:

10x +  18 = 8y

     -   18  - 18

  ____________

10x - -10

___  = 10

10      ___

         10

x = -20

4 + 9x = 5y

  - 9      - 9

___________

4 = -4y

_     _

-4    -4

y = -1

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