EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Simple Equations
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Solve the equation
(
7
2
x
+
9
7
)
=
0
(i)
(
-18
49
)
(ii)
(
-18
47
)
(iii)
(
-6
17
)
(iv)
(
-16
49
)
(v)
(
-20
49
)
Question
2
2.
Find the angles of the triangle
(i)
D
=
58°
,
E
=
47°
,
F
=
75°
(ii)
D
=
60°
,
E
=
45°
,
F
=
75°
(iii)
D
=
62°
,
E
=
45°
,
F
=
73°
(iv)
D
=
60°
,
E
=
43°
,
F
=
77°
(v)
D
=
58°
,
E
=
45°
,
F
=
77°
Question
3
3.
Which of the following equations is not the same as
(
x
+
9
)
=
0
(i)
(
−
2
x
−
18
)
=
0
(ii)
(
5
x
+
45
)
=
5
(iii)
(
−
3
x
−
27
)
=
0
(iv)
(
−
x
−
9
)
=
0
(v)
(
−
4
x
−
36
)
=
0
Question
4
4.
Find the measure of each of the two equal angles of an isosceles right-angled triangle.
(i)
46°
(ii)
45°
(iii)
43°
(iv)
47°
(v)
44°
Question
5
5.
The additive inverse of the expression
(
−
7
x
+
6
)
is
(i)
(
7
x
−
8
)
(ii)
(
6
x
−
6
)
(iii)
(
7
x
−
4
)
(iv)
(
−
7
x
+
6
)
(v)
(
7
x
−
6
)
Question
6
6.
Which of the following equations is the same as
(
−
7
x
−
6
)
=
0
(i)
(
35
x
+
27
)
=
0
(ii)
(
35
x
+
30
)
=
2
(iii)
(
35
x
+
30
)
=
0
(iv)
(
35
x
+
30
)
=
(
−
2
)
(v)
(
35
x
+
33
)
=
0
Question
7
7.
Which of the following equations is not the same as
(
−
9
x
−
8
)
=
(
−
3
)
(i)
(
9
x
+
8
)
=
3
(ii)
(
−
27
x
−
24
)
=
0
(iii)
(
−
36
x
−
32
)
=
(
−
12
)
(iv)
(
18
x
+
16
)
=
6
(v)
(
36
x
+
32
)
=
12
Question
8
8.
Solve the equation
(
7
2
x
−
5
7
)
=
(
−
5
)
(i)
(
-58
47
)
(ii)
(
-62
51
)
(iii)
(
-58
49
)
(iv)
(
-60
49
)
(v)
(
-62
49
)
Question
9
9.
Which of the following equations is not the same as
(
7
x
+
6
)
=
0
(i)
(
16
x
+
1
)
=
(
9
x
−
5
)
(ii)
(
11
x
+
5
)
=
(
−
4
x
+
1
)
(iii)
(
−
2
x
+
11
)
=
(
−
9
x
+
5
)
(iv)
(
11
x
+
5
)
=
(
4
x
−
1
)
(v)
(
3
x
+
7
)
=
(
−
4
x
+
1
)
Question
10
10.
Which of the following equations is not the same as
(
−
9
x
−
9
)
=
(
−
5
x
−
8
)
(i)
(
−
11
x
−
10
)
=
(
−
7
x
−
9
)
(ii)
(
−
7
x
−
8
)
=
(
−
3
x
−
7
)
(iii)
(
−
3
x
−
10
)
=
(
−
11
x
−
7
)
(iv)
(
−
15
x
−
8
)
=
(
−
11
x
−
7
)
(v)
(
−
3
x
−
10
)
=
(
x
−
9
)
Question
11
11.
Which of the following equations is not equivalent to
(
−
4
x
−
2
)
=
0
(i)
12
x
=
(
−
6
)
(ii)
4
x
=
(
−
2
)
(iii)
(
−
4
x
)
=
7
(iv)
(
−
16
x
)
=
8
(v)
(
−
4
x
)
=
2
Question
12
12.
Solve the equation
(
6
x
+
1
)
=
(
−
1
)
(i)
(
-1
5
)
(ii)
(
-1
3
)
(iii)
1
3
(iv)
-1
Question
13
13.
Find the unknown angle in the following figure
(i)
x
=
65.67°
(ii)
x
=
63.67°
(iii)
x
=
67.67°
(iv)
x
=
66.67°
(v)
x
=
64.67°
Question
14
14.
In △ABC, if ∠A = 70° and ∠B = ∠C, find the measure of each of the equal angles of the triangle
(i)
53°
(ii)
56°
(iii)
54°
(iv)
57°
(v)
55°
Question
15
15.
Which of the following equations is not the same as
(
−
8
x
−
2
)
=
5
(i)
(
−
8
x
−
3
)
=
4
(ii)
(
−
8
x
−
7
)
=
10
(iii)
(
−
8
x
−
1
)
=
6
(iv)
(
−
8
x
−
5
)
=
2
(v)
(
−
8
x
+
1
)
=
8
Question
16
16.
Which of the following equations is equivalent to
(
−
5
x
−
9
)
=
0
(i)
(
−
5
x
)
=
9
(ii)
(
−
5
x
)
=
13
(iii)
(
−
5
x
)
=
5
(iv)
(
−
5
x
)
=
10
(v)
(
−
5
x
)
=
8
Question
17
17.
Two angles of a triangle measure 70° and 56° respectively. Find the measure of the third angle of the triangle
(i)
56°
(ii)
54°
(iii)
55°
(iv)
53°
(v)
52°
Question
18
18.
The R.H.S of the equation
(
−
9
x
−
2
)
=
7
is
(i)
6
(ii)
5
(iii)
9
(iv)
7
(v)
(
−
9
x
−
2
)
Question
19
19.
Which of the following equations is the same as
(
8
x
−
8
)
=
(
−
9
x
−
4
)
(i)
(
−
40
x
+
42
)
=
(
45
x
+
20
)
(ii)
(
−
40
x
+
40
)
=
(
45
x
+
19
)
(iii)
(
−
40
x
+
38
)
=
(
45
x
+
20
)
(iv)
(
−
40
x
+
40
)
=
(
45
x
+
21
)
(v)
(
−
40
x
+
40
)
=
(
45
x
+
20
)
Question
20
20.
Which of the following equations is the same as
(
−
5
x
+
6
)
=
(
−
1
)
(i)
(
−
5
x
+
7
)
=
1
(ii)
(
−
5
x
+
8
)
=
1
(iii)
(
−
5
x
+
8
)
=
(
−
4
)
(iv)
(
−
5
x
+
9
)
=
1
(v)
(
−
5
x
+
8
)
=
6
Question
21
21.
Which of the following equations is the same as
(
−
2
x
+
3
)
=
(
2
x
−
3
)
(i)
(
−
2
x
+
12
)
=
(
2
x
+
1
)
(ii)
(
−
2
x
+
2
)
=
(
2
x
+
1
)
(iii)
(
−
2
x
+
7
)
=
(
2
x
−
2
)
(iv)
(
−
2
x
+
7
)
=
(
2
x
+
4
)
(v)
(
−
2
x
+
7
)
=
(
2
x
+
1
)
Question
22
22.
Which of the following equations is the same as
(
7
x
+
1
)
=
7
(i)
(
7
x
+
3
)
=
6
(ii)
(
7
x
−
3
)
=
6
(iii)
7
x
=
1
(iv)
7
x
=
11
(v)
7
x
=
6
Question
23
23.
Which of the following equations is not the same as
(
4
x
−
6
)
=
(
−
9
x
+
1
)
(i)
(
4
x
−
11
)
=
(
−
9
x
−
4
)
(ii)
(
4
x
−
8
)
=
(
−
9
x
−
1
)
(iii)
(
4
x
−
1
)
=
(
−
9
x
+
6
)
(iv)
(
4
x
−
10
)
=
(
−
9
x
+
5
)
(v)
(
4
x
−
4
)
=
(
−
9
x
+
3
)
Question
24
24.
Which of the following equations is equivalent to
6
x
=
(
−
5
)
(i)
6
x
=
(
−
7
)
(ii)
6
x
=
(
−
4
)
(iii)
6
x
=
(
−
3
)
(iv)
6
x
=
(
−
5
)
(v)
6
x
=
(
−
6
)
Question
25
25.
The L.H.S of the equation
(
−
2
x
+
9
)
=
(
−
7
x
−
5
)
is
(i)
(
−
7
x
−
5
)
(ii)
(
−
3
x
+
9
)
(iii)
(
−
2
x
+
7
)
(iv)
(
−
2
x
+
9
)
(v)
(
−
2
x
+
11
)
Assignment Key
1) (i)
2) (ii)
3) (ii)
4) (ii)
5) (v)
6) (iii)
7) (ii)
8) (iv)
9) (ii)
10) (iii)
11) (iii)
12) (ii)
13) (i)
14) (v)
15) (ii)
16) (i)
17) (ii)
18) (iv)
19) (v)
20) (ii)
21) (v)
22) (v)
23) (iv)
24) (iv)
25) (iv)
