SleepySabrina SleepySabrina
  • 18-01-2021
  • Mathematics
contestada

Use substitution to solve the system.
3x+5y = 2
y = 2x-10

Respuesta :

nbk02
nbk02 nbk02
  • 18-01-2021

Answer:

x = 4, y = -2

Step-by-step explanation:

Answer Link
Kejegan Kejegan
  • 18-01-2021

Answer:

x = 4

y = -2

Step-by-step explanation:

[tex]3x + 5y = 2[/tex]

[tex]y = 2x - 10[/tex]

[tex]3x + 5(2x - 10) = 2[/tex]

[tex]3x + 10x - 50 = 2[/tex]

[tex]13x = 52[/tex]

[tex]x = 4[/tex]

Now,

[tex]y = 2(4) - 10 [/tex]

[tex]y = 8 - 10[/tex]

[tex]y = - 2[/tex]

Answer Link

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