Tarmarra21
Tarmarra21 Tarmarra21
  • 03-03-2017
  • Mathematics
contestada

Solve the system of equations and choose the correct ordered pair. 

2x + 5y = 15
5x + 10y = 35


Solve the system of equations and choose the correct ordered pair 2x 5y 155x 10y 35 class=

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Аноним Аноним
  • 03-03-2017
I think the answer is C. (5,1)
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Аноним Аноним
  • 03-03-2017
Multiply first equation by 2, 
4x + 10y = 30

Now, subtract first equation from second,
x = 5

Substitute the value in first equation, 
2(5) + 5y = 15
5y = 15 - 10
y = 5/5
y = 1

In short, Your Answer would be Option C) (5, 1)

Hope this helps!
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