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Solve each linear system by graphing.

a)
[tex]\[
\begin{cases}
x + y = 3 \\
x - y = 7
\end{cases}
\][/tex]

b)
[tex]\[
\begin{cases}
x + y = 8 \\
4x - 2y = 8
\end{cases}
\][/tex]

c)
[tex]\[
\begin{cases}
y = 2x - 4 \\
3x + y = 6
\end{cases}
\][/tex]

d)
[tex]\[
\begin{cases}
2x + y = 10 \\
y = x - 2
\end{cases}
\][/tex]

e)
[tex]\[
\begin{cases}
y = 3x - 5 \\
y = -2x + 5
\end{cases}
\][/tex]

f)
[tex]\[
\begin{cases}
6x - 5y - 12 = 0 \\
-2x + 5y + 2 = 0
\end{cases}
\][/tex]


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