EduSahara™ Assignment
Name : Two Variable Problems
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Solve
(
6
x
+
y
+
21
)
=
0
(
12
x
−
3
y
+
27
)
=
0
(i)
(
-2
,
-3
)
(ii)
(
-3
,
-6
)
(iii)
(
-3
,
-3
)
(iv)
(
-1
,
-3
)
(v)
(
-3
,
-4
)
Question
2
2.
Solve
(
−
x
+
y
+
1
)
=
0
(
x
−
2
y
−
1
)
=
0
(i)
(
1
,
0
)
(ii)
(
4
,
-3
)
(iii)
(
2
,
0
)
(iv)
(
4
,
-1
)
(v)
(
2
,
-1
)
Question
3
3.
Solve
(
−
5
x
−
3
y
−
2
)
=
5
(
−
2
x
+
2
y
)
=
3
(i)
(
(
-23
16
)
,
1
16
)
(ii)
(
(
-21
16
)
,
(
-1
16
)
)
(iii)
(
(
-25
18
)
,
1
14
)
(iv)
(
(
-21
16
)
,
1
14
)
(v)
(
(
-25
18
)
,
1
16
)
Question
4
4.
Solve
(
−
5
x
+
5
y
+
3
)
=
(
−
4
x
−
3
y
−
2
)
(
−
x
−
y
−
5
)
=
(
−
4
x
+
2
y
+
2
)
(i)
(
43
23
,
(
-8
21
)
)
(ii)
(
43
21
,
(
-8
19
)
)
(iii)
(
43
21
,
(
-10
21
)
)
(iv)
(
43
23
,
(
-8
19
)
)
(v)
(
41
21
,
(
-8
21
)
)
Question
5
5.
Solve
(
−
3
x
+
11
y
−
17
)
=
0
(
x
+
13
y
−
61
)
=
0
(i)
(
9
,
3
)
(ii)
(
10
,
4
)
(iii)
(
11
,
4
)
(iv)
(
9
,
4
)
(v)
(
9
,
2
)
Question
6
6.
Solve
(
2
x
+
3
y
−
2
)
=
0
(
x
+
4
y
−
1
)
=
0
(i)
(
4
,
-1
)
(ii)
(
2
,
0
)
(iii)
(
2
,
-1
)
(iv)
(
1
,
0
)
(v)
(
4
,
-3
)
Question
7
7.
Solve
(
−
5
x
−
3
y
−
3
)
=
1
(
−
4
x
+
4
y
+
4
)
=
3
(i)
(
(
-11
32
)
,
(
-23
32
)
)
(ii)
(
(
-13
34
)
,
(
-21
32
)
)
(iii)
(
(
-11
32
)
,
(
-7
10
)
)
(iv)
(
(
-13
32
)
,
(
-21
32
)
)
(v)
(
(
-13
34
)
,
(
-7
10
)
)
Question
8
8.
Solve
(
x
−
y
+
1
)
=
(
−
5
x
−
4
y
−
4
)
(
−
2
x
+
y
+
5
)
=
(
3
x
−
4
y
−
5
)
(i)
(
1
3
,
(
-15
7
)
)
(ii)
(
1
9
,
(
-17
9
)
)
(iii)
(
1
11
,
(
-15
7
)
)
(iv)
(
1
3
,
(
-19
9
)
)
(v)
(
1
11
,
(
-17
9
)
)
Question
9
9.
Solve
(
11
x
+
8
y
−
13
)
=
0
(
14
x
+
2
y
−
82
)
=
0
(i)
(
7
,
-9
)
(ii)
(
7
,
-8
)
(iii)
(
10
,
-8
)
(iv)
(
7
,
-10
)
(v)
(
8
,
-8
)
Question
10
10.
Solve
(
−
2
x
−
5
y
+
5
)
=
0
(
−
2
x
−
y
+
5
)
=
0
(i)
(
9
4
,
0
)
(ii)
(
5
2
,
0
)
(iii)
(
7
2
,
-3
)
(iv)
(
9
4
,
-1
)
(v)
(
7
2
,
-1
)
Question
11
11.
Solve
(
x
−
2
y
+
3
)
=
(
−
2
)
(
x
−
3
y
+
3
)
=
(
−
5
)
(i)
(
1
,
3
)
(ii)
(
4
,
1
)
(iii)
(
4
,
2
)
(iv)
(
2
,
2
)
(v)
(
2
,
3
)
Question
12
12.
Solve
(
−
2
x
−
y
−
1
)
=
(
−
4
x
+
y
+
1
)
(
4
x
+
2
y
−
5
)
=
(
3
x
−
y
−
2
)
(i)
(
5
4
,
1
)
(ii)
(
3
2
,
1
2
)
(iii)
(
5
2
,
1
)
(iv)
(
5
2
,
(
-1
2
)
)
(v)
(
5
4
,
1
2
)
Assignment Key
1) (iii)
2) (i)
3) (i)
4) (v)
5) (iv)
6) (iv)
7) (iv)
8) (ii)
9) (ii)
10) (ii)
11) (i)
12) (ii)