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Find by substitution method 2x-y=3 3x-y=4

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Answer to a math question Find by substitution method 2x-y=3 3x-y=4

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Tiffany
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57 Answers
$x=\frac{3+y}{2}$
$\begin{bmatrix}3\cdot \frac{3+y}{2}-y=4\end{bmatrix}$
$\begin{bmatrix}\frac{9+y}{2}=4\end{bmatrix}$
$y=-1$
$x=\frac{3-1}{2}$
$x=1$
$x=1,y=-1$

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