uracan2005
uracan2005 uracan2005
  • 10-11-2020
  • Mathematics
contestada

PLS HELP me !!!!!! 15 points !

PLS HELP me 15 points class=

Respuesta :

judhhill01
judhhill01 judhhill01
  • 10-11-2020

Answer:

x = 2

y = 2

Step-by-step explanation:

x + 8y = 18

-5x + 3y = -4

multiply entire first equation by 5 to get

5x + 40y = 90

add second equation

5x + 40y = 90

+(-5x + 3y = -4)

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

43y = 86

y = 2

plug it in now

x + 8(2) = 18

x = 2

-5x + 3(2) = -4

x = 2

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