EduSahara™ Assignment
Name : Simultaneous Equations
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Solve
(
−
9
x
−
3
y
−
81
)
=
0
(
−
7
x
−
11
y
−
63
)
=
0
(i)
(
-7
,
0
)
(ii)
(
-9
,
0
)
(iii)
(
-8
,
0
)
(iv)
(
-9
,
-2
)
(v)
(
-9
,
-1
)
Question
2
2.
Solve
(
−
2
x
−
2
y
−
3
)
=
0
(
x
+
4
y
−
2
)
=
0
(i)
(
-2
,
5
4
)
(ii)
(
(
-12
5
)
,
5
4
)
(iii)
(
-2
,
5
6
)
(iv)
(
(
-12
5
)
,
7
6
)
(v)
(
(
-8
3
)
,
7
6
)
Question
3
3.
Solve
(
3
x
+
2
y
−
3
)
=
(
−
2
)
(
3
x
+
5
y
−
5
)
=
3
(i)
(
-1
,
3
)
(ii)
(
-1
,
5
3
)
(iii)
(
(
-13
11
)
,
3
)
(iv)
(
(
-11
9
)
,
7
3
)
(v)
(
(
-13
11
)
,
7
3
)
Question
4
4.
Solve
(
5
x
+
4
y
+
5
)
=
(
x
+
2
y
−
4
)
(
2
x
+
3
y
−
4
)
=
(
−
5
x
+
y
−
2
)
(i)
(
17
5
,
(
-71
6
)
)
(ii)
(
13
3
,
(
-73
6
)
)
(iii)
(
17
5
,
(
-49
4
)
)
(iv)
(
11
3
,
(
-71
6
)
)
(v)
(
13
3
,
(
-49
4
)
)
Question
5
5.
Solve the following pair of equations :
6
x
+
7
y
=
(
−
34
)
−
2
x
−
3
y
=
14
(i)
(
1
-1
,
(
-1
4
)
)
(ii)
(
0
,
(
-1
4
)
)
(iii)
(
1
,
(
-1
4
)
)
(iv)
(
1
-1
,
(
-1
6
)
)
(v)
(
1
-1
,
1
4
)
Question
6
6.
Solve the following pair of equations :
−
2
x
−
6
y
=
6
7
x
−
15
y
=
(
−
93
)
(i)
(
-9
,
1
2
)
(ii)
(
-9
,
(
-1
2
)
)
(iii)
(
-7
,
1
2
)
(iv)
(
-9
,
1
)
(v)
(
-8
,
1
2
)
Question
7
7.
Solve the following pair of equations :
16
x
+
2
y
=
34
2
x
+
7
y
=
(
−
43
)
(i)
(
1
,
-7
)
(ii)
(
1
3
,
-9
)
(iii)
(
1
5
,
-7
)
(iv)
(
1
3
,
-8
)
(v)
(
1
3
,
-7
)
Question
8
8.
Solve the following pair of equations :
7
(
x
+
y
)
−
5
(
x
−
y
)
=
(
−
1
)
9
(
x
+
y
)
−
3
(
x
−
y
)
=
(
−
15
)
(i)
(
(
-7
24
)
,
(
-1
8
)
)
(ii)
(
(
-7
26
)
,
(
-1
24
)
)
(iii)
(
(
-5
24
)
,
(
-1
24
)
)
(iv)
(
(
-7
24
)
,
(
-1
24
)
)
(v)
(
(
-7
24
)
,
(
-1
22
)
)
Question
9
9.
Solve the following pair of equations :
6
(
3
x
+
y
)
−
4
(
3
x
−
y
)
=
(
−
14
)
14
(
3
x
+
y
)
−
12
(
3
x
−
y
)
=
(
−
14
)
(i)
(
1
21
,
0
)
(ii)
(
(
-1
21
)
,
-3
)
(iii)
(
(
-1
21
)
,
0
)
(iv)
(
(
-1
21
)
,
-1
)
(v)
(
(
-1
23
)
,
0
)
Question
10
10.
Solve the following pair of equations :
−
6
x
−
10
(
y
−
2
)
=
66
6
x
+
1
(
y
−
2
)
=
(
−
39
)
(i)
(
1
,
5
3
)
(ii)
(
2
,
5
3
)
(iii)
(
(
-1
6
)
,
5
3
)
(iv)
(
(
-1
6
)
,
-2
)
(v)
(
(
-1
6
)
,
-1
)
Question
11
11.
Solve the following pair of equations :
(
−
6
x
−
6
y
)
=
12
x
y
(
−
15
x
−
13
y
)
=
14
x
y
(i)
(
(
-1
6
)
,
1
6
)
(ii)
(
(
-1
8
)
,
(
-1
6
)
)
(iii)
(
(
-1
8
)
,
1
4
)
(iv)
(
(
-1
8
)
,
1
6
)
(v)
(
(
-3
8
)
,
1
6
)
Question
12
12.
Solve the following pair of equations :
(
−
5
x
−
7
y
)
x
y
=
27
(
−
4
x
−
5
y
)
x
y
=
18
(i)
(
(
-1
6
)
,
(
-1
3
)
)
(ii)
(
(
-1
4
)
,
1
3
)
(iii)
(
(
-1
2
)
,
1
3
)
(iv)
(
(
-1
6
)
,
1
)
(v)
(
(
-1
6
)
,
1
3
)
Question
13
13.
Solve the following pair of equations :
−
4
√
x
+
16
√
y
=
68
−
6
√
x
+
2
√
y
=
-30
(i)
(
1
49
,
(
-1
36
)
)
(ii)
(
1
49
,
1
36
)
(iii)
(
3
49
,
1
36
)
(iv)
(
1
51
,
1
36
)
(v)
(
1
49
,
1
34
)
Assignment Key
1) (ii)
2) (v)
3) (iv)
4) (iv)
5) (i)
6) (i)
7) (v)
8) (iv)
9) (iii)
10) (iii)
11) (iv)
12) (v)
13) (ii)