KhaleahK431142 KhaleahK431142
  • 25-10-2022
  • Mathematics
contestada

Solve the system withelimination.1-2x + y = 813x + y = -2([?],[?]

Solve the system withelimination12x y 813x y 2 class=

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PorscheW607980 PorscheW607980
  • 25-10-2022
[tex]\begin{gathered} 3x+y-(-2x+y)=-2-8 \\ 5x=-10 \\ x=-2 \end{gathered}[/tex]

Now we substitute the value of x into the first equation to get the value of y

[tex]\begin{gathered} -2\cdot-2+y=8 \\ 4+y=8 \\ y=8-4=4 \end{gathered}[/tex]

Finally the solution is (-2,4)

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