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Byju's Answer
Standard VIII
Mathematics
Solution of linear equation in 2 variables
If 3,1 is a s...
Question
If (3,1) is a solution of the equation 3x+2y=k find the value of k.
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Solution
(
3
,
1
)
is a solution of the equation
3
x
+
2
y
=
k
3
x
+
2
y
=
k
=
>
3
(
3
)
+
2
(
1
)
=
k
=
>
k
=
9
+
2
=
11
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0
Similar questions
Q.
If
(
3
,
1
)
is a solution of the equation
3
x
+
2
y
=
k
,
find the value of
k
Q.
Find the value of k, if x = 1, y = 2 is a solution of the equation 3x + 2y = k.
Q.
If the pair of linear equations
3
x
+
2
y
=
1
(
2
k
+
1
)
x
+
(
k
+
2
)
y
=
k
−
1
Has infinitely many solution, then the value of k is
Q.
Find the value of k for which each of the following system of equations has no solution:
3
x
-
y
-
5
=
0
,
6
x
-
2
y
+
k
=
0
,
(
k
≠
0
)
.
Q.
Find the value of
k
for which the systerm of equation
x
−
2
y
=
3
and
3
x
+
k
y
=
1
has a unique solution.
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