EduSahara™ Assignment
Name : Simultaneous Equations
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Solve
(
−
x
−
14
y
−
21
)
=
0
(
−
3
x
−
21
)
=
0
(i)
(
-7
,
-2
)
(ii)
(
-7
,
-1
)
(iii)
(
-6
,
-1
)
(iv)
(
-7
,
-3
)
(v)
(
-5
,
-1
)
Question
2
2.
Solve
(
x
+
3
y
−
5
)
=
0
(
2
x
−
2
y
−
5
)
=
0
(i)
(
25
8
,
5
8
)
(ii)
(
31
10
,
5
6
)
(iii)
(
27
8
,
5
6
)
(iv)
(
31
10
,
5
8
)
(v)
(
27
8
,
3
8
)
Question
3
3.
Solve
(
2
x
−
4
y
−
4
)
=
(
−
2
)
(
5
x
−
3
y
−
1
)
=
3
(i)
(
5
9
,
(
-1
5
)
)
(ii)
(
5
9
,
(
-1
7
)
)
(iii)
(
1
,
(
-1
5
)
)
(iv)
(
1
,
(
-3
7
)
)
(v)
(
5
7
,
(
-1
7
)
)
Question
4
4.
Solve
(
−
x
+
2
y
+
4
)
=
(
4
x
−
4
y
−
3
)
(
2
x
+
y
+
2
)
=
(
5
x
+
2
y
−
4
)
(i)
(
43
23
,
9
23
)
(ii)
(
9
5
,
9
23
)
(iii)
(
45
23
,
7
23
)
(iv)
(
9
5
,
3
7
)
(v)
(
45
23
,
3
7
)
Question
5
5.
Solve the following pair of equations :
−
8
x
−
10
y
=
(
−
4
)
−
3
x
−
8
y
=
(
−
10
)
(i)
(
1
,
1
2
)
(ii)
(
(
-3
2
)
,
1
2
)
(iii)
(
(
-1
2
)
,
(
-1
2
)
)
(iv)
(
(
-1
2
)
,
1
2
)
(v)
(
(
-1
2
)
,
1
)
Question
6
6.
Solve the following pair of equations :
7
x
+
5
y
=
(
−
16
)
x
+
1
y
=
(
−
4
)
(i)
(
2
,
1
6
)
(ii)
(
4
,
(
-1
6
)
)
(iii)
(
2
,
(
-1
6
)
)
(iv)
(
2
,
(
-1
8
)
)
(v)
(
3
,
(
-1
6
)
)
Question
7
7.
Solve the following pair of equations :
6
x
+
2
y
=
(
−
24
)
7
x
+
6
y
=
(
−
61
)
(i)
(
2
,
-9
)
(ii)
(
1
-1
,
-9
)
(iii)
(
1
-1
,
-11
)
(iv)
(
1
-1
,
-10
)
(v)
(
0
,
-9
)
Question
8
8.
Solve the following pair of equations :
−
10
(
x
+
y
)
−
1
(
x
−
y
)
=
(
−
36
)
−
15
(
x
+
y
)
+
3
(
x
−
y
)
=
(
−
27
)
(i)
(
1
4
,
1
12
)
(ii)
(
3
4
,
1
12
)
(iii)
(
1
6
,
1
12
)
(iv)
(
1
4
,
(
-1
12
)
)
(v)
(
1
4
,
1
10
)
Question
9
9.
Solve the following pair of equations :
−
6
(
4
x
+
y
)
−
17
(
4
x
−
y
)
=
71
7
(
4
x
+
y
)
−
7
(
4
x
−
y
)
=
(
−
56
)
(i)
(
(
-5
36
)
,
4
7
)
(ii)
(
(
-5
36
)
,
2
9
)
(iii)
(
(
-1
12
)
,
4
9
)
(iv)
(
(
-5
36
)
,
4
9
)
(v)
(
(
-5
38
)
,
4
9
)
Question
10
10.
Solve the following pair of equations :
−
1
(
x
+
7
)
+
6
(
y
+
3
)
=
(
−
50
)
13
(
x
+
7
)
+
3
(
y
+
3
)
=
83
(i)
(
1
,
(
-22
7
)
)
(ii)
(
(
-55
8
)
,
-1
)
(iii)
(
(
-55
8
)
,
-2
)
(iv)
(
(
-55
8
)
,
(
-22
7
)
)
(v)
(
3
,
(
-22
7
)
)
Question
11
11.
Solve the following pair of equations :
(
6
x
−
8
y
)
=
(
−
2
x
y
)
(
4
x
+
4
y
)
=
8
x
y
(i)
(
3
,
1
1
)
(ii)
(
2
,
1
1
)
(iii)
(
1
1
,
-1
)
(iv)
(
1
1
,
0
)
(v)
(
1
1
,
1
1
)
Question
12
12.
Solve the following pair of equations :
(
8
x
+
15
y
)
x
y
=
-63
(
4
x
+
2
y
)
x
y
=
-26
(i)
(
1
-1
,
1
6
)
(ii)
(
1
-1
,
(
-1
6
)
)
(iii)
(
1
,
(
-1
6
)
)
(iv)
(
1
-1
,
(
-1
8
)
)
(v)
(
0
,
(
-1
6
)
)
Question
13
13.
Solve the following pair of equations :
−
1
√
x
−
10
√
y
=
52
1
√
x
−
6
√
y
=
28
(i)
(
1
4
,
1
25
)
(ii)
(
3
4
,
1
25
)
(iii)
(
1
4
,
1
23
)
(iv)
(
1
4
,
(
-1
25
)
)
(v)
(
1
6
,
1
25
)
Assignment Key
1) (ii)
2) (i)
3) (v)
4) (i)
5) (iv)
6) (iii)
7) (ii)
8) (i)
9) (iv)
10) (iv)
11) (v)
12) (ii)
13) (i)