Seudónimo Seudónimo
  • 25-02-2021
  • Mathematics
contestada

I'm sorry please help.
Solve the following system of equations.
x-3y=17
x+7y=-23
x=
y=

Respuesta :

thibi2807 thibi2807
  • 25-02-2021

Answer:

-4y=40

y=-10

x-3(-10)=17

x-30=17

x=17+30

x=47

Step-by-step explanation:

Answer Link
veolavlasov7 veolavlasov7
  • 25-02-2021

Answer:

x= 5

y= -4

Step-by-step explanation:

x= 17+3y so you substitute what you got for x in so

17 +3y +7y = -23

10y=-40

y=-4 now you put -4 in for y in the first equation

x = 17 + (3 times -4)

x = 17 - 12

x=5

Answer Link

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