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Y=-5x - 17 -3x - 3y =3 substitute the method

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The equation system is:


\begin{gathered} y=-5x-17 \\ -3x-3y=3 \end{gathered}

So to solve this system by the substitute method we already have y in terms of x in the first equation so now we can substitude that value of y in the second equation so:


-3x-3(-5x-17)=3

and we solve for x so:


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User Siavash Rostami
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