EduSahara™ Assignment
Name : Solving Simultaneous Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Solve
(
7
x
+
9
y
+
25
)
=
0
(
6
x
+
7
y
+
15
)
=
0
(i)
(
8
,
-12
)
(ii)
(
9
,
-9
)
(iii)
(
8
,
-9
)
(iv)
(
10
,
-9
)
(v)
(
8
,
-10
)
Question
2
2.
Solve
(
5
x
−
y
+
4
)
=
0
(
−
5
x
−
3
y
−
4
)
=
0
(i)
(
(
-4
5
)
,
0
)
(ii)
(
(
-2
5
)
,
-2
)
(iii)
(
(
-4
7
)
,
-1
)
(iv)
(
(
-4
7
)
,
0
)
(v)
(
(
-2
5
)
,
-1
)
Question
3
3.
Solve
(
−
3
x
+
4
y
+
5
)
=
3
(
−
x
+
5
y
+
5
)
=
4
(i)
(
6
13
,
(
-1
9
)
)
(ii)
(
8
11
,
(
-3
11
)
)
(iii)
(
6
11
,
(
-1
11
)
)
(iv)
(
8
11
,
(
-1
9
)
)
(v)
(
6
13
,
(
-1
11
)
)
Question
4
4.
Solve
(
4
x
−
3
y
−
4
)
=
(
−
2
x
+
y
+
2
)
(
−
3
x
+
2
y
−
2
)
=
(
−
5
x
+
5
y
−
1
)
(i)
(
9
5
,
1
)
(ii)
(
9
7
,
3
5
)
(iii)
(
7
5
,
3
5
)
(iv)
(
9
7
,
1
)
(v)
(
9
5
,
1
5
)
Question
5
5.
Solve the following pair of equations :
6
x
−
9
y
=
51
14
x
−
6
y
=
14
(i)
(
(
-3
2
)
,
(
-1
7
)
)
(ii)
(
(
-1
2
)
,
(
-1
7
)
)
(iii)
(
1
,
(
-1
7
)
)
(iv)
(
(
-1
2
)
,
(
-1
9
)
)
(v)
(
(
-1
2
)
,
1
7
)
Question
6
6.
Solve the following pair of equations :
−
x
+
1
y
=
5
−
11
x
−
2
y
=
3
(i)
(
-1
,
1
4
)
(ii)
(
1
,
1
4
)
(iii)
(
-1
,
(
-1
4
)
)
(iv)
(
0
,
1
4
)
(v)
(
-1
,
1
2
)
Question
7
7.
Solve the following pair of equations :
−
2
x
−
y
=
8
−
10
x
−
6
y
=
32
(i)
(
(
-1
6
)
,
8
)
(ii)
(
(
-1
8
)
,
8
)
(iii)
(
(
-1
8
)
,
5
)
(iv)
(
(
-1
8
)
,
7
)
(v)
(
(
-3
8
)
,
8
)
Question
8
8.
Solve the following pair of equations :
3
(
x
+
y
)
−
7
(
x
−
y
)
=
50
14
(
x
+
y
)
−
5
(
x
−
y
)
=
12
(i)
(
(
-5
16
)
,
(
-5
16
)
)
(ii)
(
(
-3
16
)
,
(
-3
16
)
)
(iii)
(
(
-5
16
)
,
(
-3
16
)
)
(iv)
(
(
-5
18
)
,
(
-3
16
)
)
(v)
(
(
-5
16
)
,
(
-3
14
)
)
Question
9
9.
Solve the following pair of equations :
−
4
(
2
x
+
y
)
−
7
(
2
x
−
y
)
=
(
−
52
)
−
13
(
2
x
+
y
)
+
1
(
2
x
−
y
)
=
21
(i)
(
(
-7
34
)
,
(
-9
16
)
)
(ii)
(
(
-7
32
)
,
(
-11
16
)
)
(iii)
(
(
-5
32
)
,
(
-9
16
)
)
(iv)
(
(
-7
32
)
,
(
-9
16
)
)
(v)
(
(
-7
32
)
,
(
-9
14
)
)
Question
10
10.
Solve the following pair of equations :
−
7
(
x
−
4
)
−
10
(
y
+
7
)
=
83
−
4
(
x
−
4
)
−
4
(
y
+
7
)
=
44
(i)
(
35
9
,
(
-15
2
)
)
(ii)
(
35
9
,
-2
)
(iii)
(
1
,
(
-15
2
)
)
(iv)
(
3
,
(
-15
2
)
)
(v)
(
35
9
,
-1
)
Question
11
11.
Solve the following pair of equations :
(
10
x
−
3
y
)
=
43
x
y
(
7
x
−
11
y
)
=
(
−
50
x
y
)
(i)
(
1
9
,
1
5
)
(ii)
(
1
3
,
1
7
)
(iii)
(
1
9
,
(
-1
7
)
)
(iv)
(
1
9
,
1
7
)
(v)
(
1
11
,
1
7
)
Question
12
12.
Solve the following pair of equations :
(
−
10
x
+
7
y
)
x
y
=
14
(
−
8
x
−
2
y
)
x
y
=
72
(i)
(
(
-1
8
)
,
1
7
)
(ii)
(
(
-1
8
)
,
(
-1
9
)
)
(iii)
(
(
-3
8
)
,
(
-1
7
)
)
(iv)
(
(
-1
8
)
,
(
-1
7
)
)
(v)
(
(
-1
6
)
,
(
-1
7
)
)
Assignment Key
1) (iii)
2) (i)
3) (iii)
4) (iii)
5) (ii)
6) (i)
7) (ii)
8) (iii)
9) (iv)
10) (i)
11) (iv)
12) (iv)
