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Linear Systems
easy
0:00.0
Solve
x
+
y
+
z
=
3
x + y + z = 3
x
+
y
+
z
=
3
and
x
=
1
,
y
=
1
x = 1, y = 1
x
=
1
,
y
=
1
. What is
z
z
z
?
A
1
1
1
B
2
2
2
C
3
3
3
D
0
0
0
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