bewellplus.gsu.edu
gegi gegi
  • 07-05-2014
  • Mathematics
Answered

what's the answer to 16x-10y=10
                              -8x-6y=6

Verified Answer :

Lilith
Lilith Lilith
  • 08-05-2014

\(\begin{cases} 16x-10y=10 \\ -8x-6y=6 \ \ /*2\end{cases}\\ \\\begin{cases} 16x-10y=10 \\ -16x-12y=12 \end{cases}\\ + --------\\ -22y=22 \ \ /:(-22) \\ \\ y=-1\)

\(16x-10*(-1)=10\\ \\16x+10=10\\ \\16x=10-10\\ \\16x=0 \\ \\x=0 \\ \\ \begin{cases}x=0 \\ y=-1\end{cases}\)


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