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Byju's Answer
Standard X
Mathematics
Modulus Function
Solve the fol...
Question
Solve the following sets of simultaneous equations.
2
x
+
3
y
+
4
=
0
;
x
−
5
y
=
11
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Solution
Given
x
−
5
y
=
11
x
=
11
+
5
y
.
.
.
.
.
.
.
(
1
)
2
x
+
3
y
+
4
=
0
substitute value of
x
from (1) in the above equation, we get
2
(
11
+
5
y
)
+
3
y
=
−
4
22
+
10
y
+
3
y
=
−
4
10
y
+
3
y
=
−
4
−
22
13
y
=
−
26
y
=
−
26
13
y
=
−
2
Putting value of
y
in (1) ,we get
x
=
11
+
5
y
x
=
11
+
5
×
(
−
2
)
x
=
11
−
10
x
=
1
Therefore,
x
=
1
and
y
=
−
2
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3
Similar questions
Q.
Solve the following simultaneous equations by substitution method.
2
x
+
3
y
=
−
4
;
x
−
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y
=
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Q.
Solve the following sets of simultaneous equations.
(i) x + y = 4 ; 2x
-
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(ii)
2x + y = 5; 3x
-
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(iii)
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-
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-
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(iv)
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-
x =0; 10x + 15y = 105
(v)
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-
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(vi)
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-
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Q.
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x
2
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y
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;
x
+
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y
=
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Q.
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4
=
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;
6
x
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Q.
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