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Byju's Answer
Standard IX
Mathematics
Linear Equation in 2 Variables
Solve the fol...
Question
Solve the following systems of equations:
23
x
−
29
y
=
98
29
x
−
23
y
=
110
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Solution
23
x
−
29
y
=
98
⟶
(
i
)
29
x
−
23
y
=
110
⟶
(
i
i
)
Adding
(
i
)
and
(
i
i
)
we get
,
52
x
−
52
y
=
208
⇒
52
(
x
−
y
)
=
208
⇒
x
−
y
=
4
⟶
(
i
i
i
)
Substracting
(
i
i
)
from
(
i
)
,
−
6
x
−
6
y
=
−
12
⇒
x
+
y
=
2
⟶
(
i
v
)
Now by solving
(
i
i
i
)
and
(
i
v
)
,
2
x
=
6
⇒
x
=
3
Substituting value of
x
in equation
(
i
v
)
,
3
+
y
=
2
y
=
−
1
∴
x
=
3
and
y
=
−
1
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Q.
Solve the following systems of equations:
23x − 29y = 98
29x − 23y = 110