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SCOLALG7 5.1.009.
the elimination method to find all solutions of the system of equations.
\[
\begin{array}{c}
\left\{\begin{array}{c}
5 x+3 y=23 \\
x-3 y=1
\end{array}\right. \\
y)=(4,1
\end{array}
\]
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SCOLALG7 5.1.061.MI.
nan.has.14.coins in his pocket, all of which are dimes and quarters. If the total value of his change is \( \$ 2.75 \), how many dimes and how many quarters does dimes
ther an eact number, irters
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SCOLALG7 5.1.016.
aph the linear system, either by hand or using a graphing device.
\[
\left\{\begin{array}{l}
5 x-y=5 \\
2 x+y=2
\end{array}\right.
\]