5vnnv4mkmp 5vnnv4mkmp

26-04-2021
Mathematics

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Y=2x+1 x+y=7 pls help meeeeeeeee

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Аноним Аноним

26-04-2021

Answer:

[tex]y = 2x + 1 \\ substitute \: for \: y \: in \: x + y = 7 \\ x + (2x + 1) = 7 \\ 3x = - 6 \\ x = - \frac{1}{2} \\ y = 2( - \frac{1}{2} ) + 1 \\ y = - 1 + 1 \\ y = 0[/tex]

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