payshencec21
payshencec21
19-03-2018
Mathematics
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PLEASE HELP ASAP!!!!!!!!!
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19garfftiar
19garfftiar
19-03-2018
the answer would be #3
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WojtekR
WojtekR
19-03-2018
[tex]\begin{cases}y=-3x+8\\y=-5x-2\end{cases}\\\\\\-5x-2=-3x+8\\\\-5x+3x=8+2\\\\-2x=10\qquad|:(-2)\\\\\boxed{x=-5}\\\\\\y=-3x+8\\\\y=-3\cdot(-5)+8\\\\y=15+8\\\\\boxed{y=23}\\\\\\ \begin{cases}x=-5\\y=23\end{cases}[/tex]
Answer C)
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