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Mathematics
Mathematics
Problem
If the pair
(
−
3
,
y
)
(-3,\,y)
(
−
3
,
y
)
is a solution of
7
x
+
2
y
=
−
1
7x + 2y = -1
7
x
+
2
y
=
−
1
, the value of
y
y
y
is a)
20
20
20
b)
10
10
10
c)
−
11
-11
−
11
d)
11
11
11
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