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Mathematics
Problem
Which ordered pair satisfies both of the following equations:
2
x
+
3
y
=
7
2x + 3y = 7
2
x
+
3
y
=
7
and
x
−
y
=
1
x - y = 1
x
−
y
=
1
? a)
(
1
,
2
)
(1,2)
(
1
,
2
)
b)
(
14
5
,
9
5
)
\left(\dfrac{14}{5},\dfrac{9}{5}\right)
(
5
14
,
5
9
)
c)
(
2
,
1
)
(2,1)
(
2
,
1
)
d)
(
3
,
2
)
(3,2)
(
3
,
2
)
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