EduSahara™ Assignment
Name : Solving Simultaneous Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Solve
(
−
15
x
+
7
y
+
27
)
=
0
(
11
y
−
99
)
=
0
(i)
(
9
,
9
)
(ii)
(
7
,
9
)
(iii)
(
6
,
8
)
(iv)
(
6
,
7
)
(v)
(
6
,
9
)
Question
2
2.
Solve
(
2
x
−
4
y
+
3
)
=
0
(
5
x
−
5
y
+
3
)
=
0
(i)
(
1
2
,
7
10
)
(ii)
(
1
4
,
9
8
)
(iii)
(
1
4
,
9
10
)
(iv)
(
3
10
,
9
10
)
(v)
(
1
2
,
9
8
)
Question
3
3.
Solve
(
−
5
x
−
3
y
)
=
0
(
−
2
x
−
4
y
−
3
)
=
(
−
4
)
(i)
(
(
-3
16
)
,
5
14
)
(ii)
(
(
-3
14
)
,
5
14
)
(iii)
(
(
-1
14
)
,
5
12
)
(iv)
(
(
-1
14
)
,
3
14
)
(v)
(
(
-3
16
)
,
5
12
)
Question
4
4.
Solve
(
5
x
+
3
y
+
1
)
=
(
3
x
−
3
y
)
(
−
2
x
+
2
y
)
=
(
x
+
5
y
+
3
)
(i)
(
(
-7
6
)
,
1
2
)
(ii)
(
(
-5
4
)
,
1
4
)
(iii)
(
(
-3
4
)
,
(
-1
4
)
)
(iv)
(
(
-3
4
)
,
1
2
)
(v)
(
(
-7
6
)
,
1
4
)
Question
5
5.
Solve the following pair of equations :
−
2
x
−
10
y
=
(
−
72
)
−
1
x
+
5
y
=
44
(i)
(
(
-1
2
)
,
1
8
)
(ii)
(
(
-3
4
)
,
1
8
)
(iii)
(
(
-1
4
)
,
1
8
)
(iv)
(
(
-1
4
)
,
(
-1
8
)
)
(v)
(
(
-1
4
)
,
1
6
)
Question
6
6.
Solve the following pair of equations :
11
x
−
3
y
=
50
x
+
4
y
=
(
−
4
)
(i)
(
4
,
(
-1
2
)
)
(ii)
(
4
,
(
-1
4
)
)
(iii)
(
4
,
1
2
)
(iv)
(
5
,
(
-1
2
)
)
(v)
(
7
,
(
-1
2
)
)
Question
7
7.
Solve the following pair of equations :
−
4
x
+
6
y
=
(
−
10
)
−
11
x
+
10
y
=
(
−
47
)
(i)
(
1
9
,
3
)
(ii)
(
1
7
,
1
)
(iii)
(
1
7
,
3
)
(iv)
(
3
7
,
3
)
(v)
(
1
7
,
2
)
Question
8
8.
Solve the following pair of equations :
−
1
(
x
+
y
)
+
14
(
x
−
y
)
=
(
−
65
)
9
(
x
+
y
)
+
16
(
x
−
y
)
=
17
(i)
(
(
-1
24
)
,
13
72
)
(ii)
(
(
-5
72
)
,
13
70
)
(iii)
(
(
-5
72
)
,
11
72
)
(iv)
(
(
-5
72
)
,
13
72
)
(v)
(
(
-5
74
)
,
13
72
)
Question
9
9.
Solve the following pair of equations :
5
(
4
x
+
y
)
−
4
(
4
x
−
y
)
=
(
−
12
)
4
(
4
x
+
y
)
−
8
(
4
x
−
y
)
=
0
(i)
(
(
-3
34
)
,
1
8
)
(ii)
(
(
-3
32
)
,
1
8
)
(iii)
(
(
-1
32
)
,
1
8
)
(iv)
(
(
-3
32
)
,
(
-1
8
)
)
(v)
(
(
-3
32
)
,
1
6
)
Question
10
10.
Solve the following pair of equations :
8
x
+
9
(
y
+
2
)
=
(
−
33
)
15
x
+
1
(
y
+
2
)
=
81
(i)
(
1
6
,
(
-19
9
)
)
(ii)
(
1
,
(
-19
9
)
)
(iii)
(
1
6
,
-3
)
(iv)
(
2
,
(
-19
9
)
)
(v)
(
1
6
,
-1
)
Question
11
11.
Solve the following pair of equations :
(
4
x
−
2
y
)
=
(
−
30
x
y
)
(
11
x
+
8
y
)
=
(
−
42
x
y
)
(i)
(
1
5
,
(
-1
6
)
)
(ii)
(
1
3
,
(
-1
8
)
)
(iii)
(
1
3
,
(
-1
6
)
)
(iv)
(
1
3
,
1
6
)
(v)
(
1
,
(
-1
6
)
)
Question
12
12.
Solve the following pair of equations :
(
−
3
x
+
y
)
x
y
=
-20
(
−
6
x
−
6
y
)
x
y
=
24
(i)
(
(
-1
8
)
,
1
4
)
(ii)
(
(
-1
8
)
,
1
2
)
(iii)
(
(
-3
8
)
,
1
4
)
(iv)
(
(
-1
8
)
,
(
-1
4
)
)
(v)
(
(
-1
6
)
,
1
4
)
Assignment Key
1) (v)
2) (iv)
3) (ii)
4) (ii)
5) (iii)
6) (i)
7) (iii)
8) (iv)
9) (ii)
10) (i)
11) (iii)
12) (i)
