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Question 0103a
Equations and Inequalities
System of Linear Equations
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Solve the following system of linear equations, giving your answer in exact form.
5
x
−
5
y
+
2
z
=
−
6
−
3
x
−
5
y
+
2
z
=
8
5
x
+
2
y
+
2
z
=
−
8
\begin{align*} && \quad 5 x - 5 y + 2 z &= -6 \\ && \quad - 3 x - 5 y + 2 z &= 8 \\ && \quad 5 x + 2 y + 2 z &= -8 \\ \end{align*}
5
x
−
5
y
+
2
z
−
3
x
−
5
y
+
2
z
5
x
+
2
y
+
2
z
=
−
6
=
8
=
−
8
Attempt
x
=
{x=}
x
=
y
=
{y=}
y
=
z
=
{z=}
z
=
Answer
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