EduSahara™ Assignment
Name : Simultaneous Equations
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Solve
(
−
11
x
+
8
y
+
21
)
=
0
(
−
10
x
+
15
y
−
35
)
=
0
(i)
(
9
,
7
)
(ii)
(
8
,
7
)
(iii)
(
7
,
7
)
(iv)
(
7
,
6
)
(v)
(
7
,
5
)
Question
2
2.
Solve
(
−
x
−
3
y
−
1
)
=
0
(
−
3
x
−
2
y
+
5
)
=
0
(i)
(
19
7
,
(
-6
5
)
)
(ii)
(
19
7
,
(
-10
7
)
)
(iii)
(
7
3
,
(
-6
5
)
)
(iv)
(
17
7
,
(
-8
7
)
)
(v)
(
7
3
,
(
-8
7
)
)
Question
3
3.
Solve
(
3
x
−
5
y
−
3
)
=
(
−
5
)
(
5
x
−
y
−
4
)
=
(
−
2
)
(i)
(
8
11
,
8
9
)
(ii)
(
8
11
,
6
11
)
(iii)
(
6
13
,
8
11
)
(iv)
(
6
11
,
8
11
)
(v)
(
6
13
,
8
9
)
Question
4
4.
Solve
(
5
x
−
3
y
−
3
)
=
(
−
5
x
−
5
y
+
5
)
(
−
3
x
+
y
−
3
)
=
(
−
x
+
3
y
)
(i)
(
11
8
,
(
-23
8
)
)
(ii)
(
13
8
,
(
-19
6
)
)
(iii)
(
13
10
,
(
-19
6
)
)
(iv)
(
13
10
,
(
-23
8
)
)
(v)
(
13
8
,
(
-25
8
)
)
Question
5
5.
Solve the following pair of equations :
−
6
x
−
12
y
=
(
−
30
)
4
x
+
5
y
=
8
(i)
(
(
-1
3
)
,
(
-1
4
)
)
(ii)
(
(
-1
3
)
,
1
4
)
(iii)
(
-1
,
1
4
)
(iv)
(
(
-1
3
)
,
1
2
)
Question
6
6.
Solve the following pair of equations :
2
x
+
6
y
=
(
−
12
)
9
x
+
16
y
=
1
(i)
(
10
,
(
-1
5
)
)
(ii)
(
12
,
(
-1
5
)
)
(iii)
(
9
,
1
5
)
(iv)
(
9
,
(
-1
7
)
)
(v)
(
9
,
(
-1
5
)
)
Question
7
7.
Solve the following pair of equations :
5
x
+
3
y
=
41
−
2
x
+
2
y
=
(
−
10
)
(i)
(
1
7
,
-1
)
(ii)
(
1
7
,
2
)
(iii)
(
1
9
,
2
)
(iv)
(
3
7
,
2
)
(v)
(
1
7
,
1
)
Question
8
8.
Solve the following pair of equations :
−
8
(
x
+
y
)
+
13
(
x
−
y
)
=
(
−
46
)
−
2
(
x
+
y
)
+
2
(
x
−
y
)
=
(
−
14
)
(i)
(
11
36
,
(
-7
36
)
)
(ii)
(
11
36
,
(
-1
4
)
)
(iii)
(
11
38
,
(
-7
36
)
)
(iv)
(
11
36
,
(
-7
34
)
)
(v)
(
13
36
,
(
-7
36
)
)
Question
9
9.
Solve the following pair of equations :
−
15
(
3
x
+
y
)
−
2
(
3
x
−
y
)
=
74
1
(
3
x
+
y
)
−
7
(
3
x
−
y
)
=
(
−
62
)
(i)
(
(
-1
144
)
,
(
-3
16
)
)
(ii)
(
1
144
,
(
-7
48
)
)
(iii)
(
(
-1
144
)
,
(
-7
48
)
)
(iv)
(
(
-1
146
)
,
(
-7
48
)
)
(v)
(
(
-1
144
)
,
(
-7
46
)
)
Question
10
10.
Solve the following pair of equations :
−
2
(
x
+
2
)
+
5
(
y
−
8
)
=
(
−
29
)
5
(
x
+
2
)
−
4
(
y
−
8
)
=
13
(i)
(
(
-7
3
)
,
-3
)
(ii)
(
2
,
55
7
)
(iii)
(
1
,
55
7
)
(iv)
(
(
-7
3
)
,
55
7
)
(v)
(
(
-7
3
)
,
-1
)
Question
11
11.
Solve the following pair of equations :
(
−
9
x
+
11
y
)
=
(
−
14
x
y
)
(
−
4
x
+
12
y
)
=
(
−
56
x
y
)
(i)
(
(
-1
7
)
,
(
-1
7
)
)
(ii)
(
(
-1
7
)
,
1
7
)
(iii)
(
(
-1
7
)
,
(
-1
9
)
)
(iv)
(
(
-1
5
)
,
(
-1
7
)
)
(v)
(
(
-3
7
)
,
(
-1
7
)
)
Question
12
12.
Solve the following pair of equations :
(
6
x
+
7
y
)
x
y
=
-15
(
−
5
x
+
y
)
x
y
=
-8
(i)
(
(
-1
3
)
,
-1
)
(ii)
(
(
-1
3
)
,
1
1
)
(iii)
(
-1
,
1
1
)
(iv)
(
(
-1
3
)
,
0
)
Question
13
13.
Solve the following pair of equations :
17
√
x
−
5
√
y
=
-108
7
√
x
−
3
√
y
=
-36
(i)
(
1
81
,
1
81
)
(ii)
(
1
83
,
1
81
)
(iii)
(
1
81
,
(
-1
81
)
)
(iv)
(
1
27
,
1
81
)
(v)
(
1
81
,
1
79
)
Assignment Key
1) (iii)
2) (iv)
3) (iv)
4) (i)
5) (ii)
6) (v)
7) (ii)
8) (i)
9) (iii)
10) (iv)
11) (i)
12) (ii)
13) (i)