itxjasyoo itxjasyoo
  • 19-02-2021
  • Mathematics
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Which ordered pair solves the system of equations?

Which ordered pair solves the system of equations class=

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 19-02-2021

Answer:

(1;1)

Step-by-step explanation:

1. if y=2x-1, then it is possible to substitute 2x-1 into the 2d equation:

5x-4(2x-1)=1, ⇒ 5x-8x+4=1, ⇔ -3x=-3, ⇔ x= 1;

2. if x=1, then y=2x-1=2-1= 1.

3. the required pair is (1;1)

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