EduSahara™ Assignment
Name : Simultaneous Equations
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Solve
(
6
x
−
14
y
−
72
)
=
0
(
15
x
−
18
y
−
27
)
=
0
(i)
(
-9
,
-9
)
(ii)
(
-8
,
-9
)
(iii)
(
-9
,
-10
)
(iv)
(
-9
,
-12
)
(v)
(
-7
,
-9
)
Question
2
2.
Solve
(
5
x
+
5
y
−
2
)
=
0
(
2
x
+
3
y
−
5
)
=
0
(i)
(
(
-25
7
)
,
13
3
)
(ii)
(
(
-17
5
)
,
13
3
)
(iii)
(
(
-17
5
)
,
19
5
)
(iv)
(
(
-19
5
)
,
21
5
)
(v)
(
(
-25
7
)
,
21
5
)
Question
3
3.
Solve
(
5
x
−
4
y
−
5
)
=
5
(
5
x
+
3
y
+
1
)
=
4
(i)
(
8
7
,
-2
)
(ii)
(
8
5
,
-2
)
(iii)
(
6
5
,
-1
)
(iv)
(
8
7
,
-1
)
(v)
(
8
5
,
-3
)
Question
4
4.
Solve
(
−
3
x
−
y
−
4
)
=
(
3
x
−
4
y
−
4
)
(
4
x
−
3
y
+
3
)
=
(
5
x
+
3
y
)
(i)
(
5
13
,
6
11
)
(ii)
(
3
13
,
6
13
)
(iii)
(
5
13
,
4
13
)
(iv)
(
1
5
,
6
11
)
(v)
(
1
5
,
6
13
)
Question
5
5.
Solve the following pair of equations :
6
x
−
7
y
=
(
−
32
)
−
1
x
−
10
y
=
(
−
17
)
(i)
(
(
-1
3
)
,
1
)
(ii)
(
(
-1
3
)
,
1
2
)
(iii)
(
-1
,
1
2
)
(iv)
(
(
-1
3
)
,
(
-1
2
)
)
Question
6
6.
Solve the following pair of equations :
−
9
x
+
11
y
=
30
−
8
x
−
2
y
=
(
−
44
)
(i)
(
4
,
(
-1
6
)
)
(ii)
(
4
,
1
6
)
(iii)
(
5
,
1
6
)
(iv)
(
4
,
1
4
)
(v)
(
7
,
1
6
)
Question
7
7.
Solve the following pair of equations :
−
10
x
+
9
y
=
(
−
51
)
−
9
x
+
3
y
=
(
−
51
)
(i)
(
1
2
,
1
)
(ii)
(
1
6
,
0
)
(iii)
(
1
6
,
-2
)
(iv)
(
1
6
,
1
)
(v)
(
1
8
,
1
)
Question
8
8.
Solve the following pair of equations :
−
18
(
x
+
y
)
+
2
(
x
−
y
)
=
(
−
72
)
−
10
(
x
+
y
)
+
4
(
x
−
y
)
=
(
−
14
)
(i)
(
1
5
,
2
45
)
(ii)
(
7
45
,
2
43
)
(iii)
(
7
47
,
2
45
)
(iv)
(
7
45
,
2
45
)
(v)
(
7
45
,
0
)
Question
9
9.
Solve the following pair of equations :
−
2
(
3
x
+
y
)
−
2
(
3
x
−
y
)
=
10
−
5
(
3
x
+
y
)
−
6
(
3
x
−
y
)
=
21
(i)
(
5
216
,
(
-13
70
)
)
(ii)
(
5
216
,
(
-5
24
)
)
(iii)
(
7
216
,
(
-13
72
)
)
(iv)
(
5
218
,
(
-13
72
)
)
(v)
(
5
216
,
(
-13
72
)
)
Question
10
10.
Solve the following pair of equations :
−
11
(
x
+
5
)
+
5
(
y
−
5
)
=
67
−
7
(
x
+
5
)
−
10
(
y
−
5
)
=
(
−
76
)
(i)
(
1
,
46
9
)
(ii)
(
(
-11
2
)
,
-1
)
(iii)
(
(
-11
2
)
,
-2
)
(iv)
(
(
-11
2
)
,
46
9
)
(v)
(
2
,
46
9
)
Question
11
11.
Solve the following pair of equations :
(
2
x
−
11
y
)
=
(
−
10
x
y
)
(
−
2
x
−
13
y
)
=
(
−
38
x
y
)
(i)
(
3
2
,
1
6
)
(ii)
(
1
2
,
(
-1
6
)
)
(iii)
(
1
2
,
1
6
)
(iv)
(
1
4
,
1
6
)
(v)
(
1
2
,
1
4
)
Question
12
12.
Solve the following pair of equations :
(
−
4
x
+
18
y
)
x
y
=
90
(
−
x
+
11
y
)
x
y
=
42
(i)
(
1
3
,
(
-1
11
)
)
(ii)
(
1
5
,
(
-1
9
)
)
(iii)
(
1
3
,
(
-1
9
)
)
(iv)
(
1
,
(
-1
9
)
)
(v)
(
1
3
,
1
9
)
Question
13
13.
Solve the following pair of equations :
−
2
√
x
+
8
√
y
=
-18
2
√
x
+
1
√
y
=
0
(i)
(
1
,
1
4
)
(ii)
(
1
,
(
-1
4
)
)
(iii)
(
2
,
1
4
)
(iv)
(
3
,
1
4
)
(v)
(
1
,
1
2
)
Assignment Key
1) (i)
2) (iv)
3) (iii)
4) (ii)
5) (ii)
6) (ii)
7) (iv)
8) (iv)
9) (v)
10) (iv)
11) (iii)
12) (iii)
13) (i)