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Byju's Answer
Standard X
Mathematics
Finding Solution for Consistent Pair of Linear Equations
3 x+2 y=12, x...
Question
3x + 2y = 12, x – y + 1 = 0
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Solution
Given
:
3
x
+
2
y
=
12
.
.
.
1
x
-
y
+
1
=
0
.
.
.
2
x
-
y
+
1
=
0
⇒
y
=
x
+
1
.
.
.
3
Substituting
the
value
of
y
in
1
,
we
get
3
x
+
2
x
+
1
=
12
⇒
3
x
+
2
x
+
2
=
12
⇒
5
x
=
12
-
2
⇒
5
x
=
10
⇒
x
=
2
.
.
.
4
Substituting
the
value
of
x
in
3
,
we
get
y
=
2
+
1
=
3
Hence
,
x
=
2
and
y
=
3
.
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