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Byju's Answer
Standard X
Mathematics
Solving Simultaneous Linear Equation Using Cramer's Rule
Solve the sim...
Question
Solve the simultaneous equation:
2
x
+
2
3
y
=
1
6
;
3
x
+
2
y
=
0
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Solution
Given equations
2
x
+
2
y
×
1
3
=
1
6
.
.
.
.
.
(
1
)
and
3
x
+
2
y
=
0
⇒
2
y
=
−
3
x
.
.
.
.
(
2
)
Putting (2) in (1) , we get
⇒
2
x
+
−
3
x
×
1
3
=
1
6
⇒
2
x
−
1
x
=
1
6
⇒
1
x
=
1
6
⇒
x
=
6
Putting value of x in (2)
⇒
2
y
=
−
3
6
⇒
2
y
=
−
1
2
⇒
y
=
−
4
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Q.
Solve the following simultaneous equations graphically.
(1) 2x + 3y = 12 ; x – y = 1
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(4) 3x – y – 2 = 0 ; 2x + y = 8
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