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Mathematics
Problem
For the system of equations
2
x
+
y
=
8
2x + y = 8
2
x
+
y
=
8
and
3
x
−
y
=
7
3x - y = 7
3
x
−
y
=
7
, which value of
k
k
k
will make the ordered pair
(
k
,
2
)
(k,2)
(
k
,
2
)
a solution of the system? a)
4
4
4
b)
3
3
3
c)
2
2
2
d)
5
5
5
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