EduSahara™ Assignment
Name : Linear Equations Concepts
Chapter : Linear Equations
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following is a linear equation in one variable?
(i)
(
−
6
x
−
7
)
=
0
(ii)
(
−
6
x
2
−
31
x
+
24
y
2
−
22
y
−
35
)
=
0
(iii)
(
5
x
−
3
y
+
9
z
+
3
)
=
0
(iv)
(
45
x
2
+
61
x
+
20
)
=
0
(v)
(
−
3
x
−
3
y
)
=
0
Question
2
2.
Which of the following is a linear equation in two variable?
(i)
(
16
x
2
−
50
x
−
21
)
=
0
(ii)
(
−
3
x
−
1
)
=
0
(iii)
(
24
x
2
+
51
x
y
−
25
x
+
27
y
2
−
27
y
+
6
)
=
0
(iv)
(
−
5
x
+
9
y
−
8
z
+
4
)
=
0
(v)
(
5
x
+
8
y
−
4
)
=
0
Question
3
3.
Which of the following is a linear equation in one variable?
(i)
(
5
x
−
7
)
=
(
−
6
x
−
2
)
(ii)
(
8
x
−
y
+
4
z
+
7
)
=
(
−
3
x
+
y
+
5
z
+
2
)
(iii)
(
−
16
x
2
−
52
x
y
+
48
x
−
36
y
2
+
78
y
−
36
)
=
0
(iv)
(
−
x
−
2
y
−
3
)
=
(
−
7
x
−
4
y
−
8
)
(v)
(
−
16
x
2
−
14
x
+
15
)
=
(
−
7
x
−
2
)
Question
4
4.
Which of the following is a linear equation in two variable?
(i)
(
2
x
−
7
y
−
3
)
=
(
−
6
x
−
4
y
+
8
)
(ii)
(
−
64
x
2
−
48
x
y
−
40
x
−
8
y
2
−
26
y
+
24
)
=
0
(iii)
(
4
x
+
4
)
=
(
−
8
x
+
2
)
(iv)
(
7
x
+
2
y
+
2
z
+
8
)
=
(
−
6
x
+
y
−
6
z
−
3
)
(v)
(
9
x
2
+
64
x
+
7
)
=
(
−
5
x
−
4
)
Question
5
5.
The linear equation
(
−
5
x
+
5
)
=
(
−
3
x
−
7
)
is equivalent to
(i)
(
−
5
x
+
5
)
=
(
−
3
x
−
10
)
(ii)
(
−
3
x
+
12
)
=
0
(iii)
(
−
2
x
+
12
)
=
0
(iv)
(
−
5
x
+
5
)
=
(
−
3
x
−
4
)
(v)
(
−
x
+
12
)
=
0
Question
6
6.
The value of
x
in terms of other variables and constant in
(
9
x
+
1
)
=
(
−
9
x
−
8
)
is
(i)
x
=
1
2
(ii)
x
=
(
−
1
4
)
(iii)
x
=
(
−
1
2
)
(iv)
x
=
(
−
1
)
(v)
x
=
(
−
3
2
)
Question
7
7.
The L.H.S of the equation
(
7
x
−
1
)
=
0
is
(i)
0
(ii)
(
7
x
+
2
)
(iii)
(
7
x
−
1
)
(iv)
(
6
x
−
1
)
(v)
(
7
x
−
3
)
Question
8
8.
The R.H.S of the equation
(
9
x
+
1
)
=
0
is
(i)
2
(ii)
(
−
2
)
(iii)
(
9
x
+
1
)
(iv)
(
−
1
)
(v)
0
Question
9
9.
The L.H.S of the equation
(
−
4
x
−
9
)
=
(
−
3
)
is
(i)
(
−
5
x
−
9
)
(ii)
(
−
4
x
−
12
)
(iii)
(
−
4
x
−
7
)
(iv)
(
−
4
x
−
9
)
(v)
(
−
3
)
Question
10
10.
The R.H.S of the equation
(
6
x
+
8
)
=
4
is
(i)
(
6
x
+
8
)
(ii)
4
(iii)
2
(iv)
7
(v)
3
Question
11
11.
The L.H.S of the equation
(
−
6
x
+
3
)
=
(
7
x
+
9
)
is
(i)
(
7
x
+
9
)
(ii)
(
−
6
x
+
6
)
(iii)
(
−
7
x
+
3
)
(iv)
(
−
6
x
+
3
)
(v)
(
−
6
x
+
1
)
Question
12
12.
The R.H.S of the equation
(
−
4
x
−
5
)
=
(
−
x
+
2
)
is
(i)
(
−
4
x
−
5
)
(ii)
(
−
x
+
4
)
(iii)
(
−
x
+
2
)
(iv)
(
−
2
x
+
2
)
(v)
(
−
x
−
1
)
Assignment Key
1) (i)
2) (v)
3) (i)
4) (i)
5) (iii)
6) (iii)
7) (iii)
8) (v)
9) (iv)
10) (ii)
11) (iv)
12) (iii)
