homeygirlkikk12
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  • 09-11-2021
  • Mathematics
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Use each method to solve system of linear equation. Show your solution.

-3x + y = 7

5x + 2y = 3

Substitution B. Elimination

Respuesta :

abditani973 abditani973
  • 09-11-2021

Answer:

x=-1 y =-1

Step-by-step explanation:

multiply equation 1 with (-2)

+6x-2y=-14

5x+2y=3

now add equation 1 to equation 2

11x=-11

x=-1

now substitute x=1 in 1 or 2

5(1)+2y=3 5+2y=3 2y=3-5 2y= -2 y= -1

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