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Class 8 Algebra: Solving Equations Questions and Answers
What is the value of n in the equation
2
n
-
3
3
+
2
n
3
=
3
?
A.
3
3
4
B.3
C.
1
7
8
D.12
(4m 23s)
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1.
Solve the equation
2
(
x
+
1
)
3
-
4
A. 5 B. 5
1
2
C. 1 D. 6
1
2
2.
What is the value of x in the equation
8
3
+
2
(
3
x
-
10
)
3
=
4
A.
2
2
3
B.
2
1
3
C. 0 D.4
3.
What is the value of x in the equation
x
-
1
2
+
3
x
+
7
8
=
3
? A.0 B.3 C.
3
6
7
D.
2
4
7
4.
What is the value of p in the equation:
5
p
-
3
4
-
1
3
4
=
2
1
2
A
2
19
20
B. 0 C. 1 D. 4
5.
What is the solution to the equation: 3x-2(x+1)=4 A. 2 B. 3 C. 5 D. 6
6.
What is the solution to the equation:
5
9
(x-32)=45? A. 49 B. 57 C. 113 D. 81
7.
What is the value of x in the equation:
2
x
-
3
3
+
2
x
=
5
A.
2
1
4
B.1 C.
1
1
2
D.2
8.
What is the value of p in the equation
3
4
(8p-4)=4p+7? A. 2 B. 5 C.
5
1
2
D.
2
3
8
9.
What is the value of x in the equation:
3
2
+
4
(
x
-
6
)
2
=
6
A.
3
3
4
B.
6
3
4
C.
8
1
4
D.
10
1
2
10.
What is the value of n in the equation:
3
n
10
+
2
n
5
=
21
A. 42 B. 30 C. 63 D. 3
11.
What is the value of n in the equation:
3
+
8
(
n
-
2
)
3
=
12
A.
6
1
8
B.
5
3
8
C.
2
3
8
D.
1
3
8
12.
What is the value of p in the equation:
p
3
+
1
2
(
p
+
1
)
=
5
A.
2
5
B.
5
2
5
C.
5
4
5
D.
6
3
5
13.
What is the value of n in the equation
2
n
-
3
3
+
2
n
3
=
3
? A.
3
3
4
B.3 C.
1
7
8
D.12
14.
What is the value of x in the equation:
2
(
x
-
6
)
5
=
2
3
A.
7
2
3
B.7 C.
2
2
3
D. 11
15.
What is the value of x in the equation:
3
5
(
x
-
5
)
+
2
5
(
3
x
+
5
)
=
10
A.
6
1
9
B.
5
5
9
C.5 D.
1
2
3
16.
What is the value of x in 3(2x+1)+5(x+4)=61? A.
3
5
11
B.
5
1
11
C.
7
7
11
D.
81
1
11
17.
What is the value of x in theequation
1
1
4
x
+
4
=
13
-
x
? A. 68 B. 36 C. 7
5
9
D. 4
18.
What is the value of x in the equation:
2
x
-
3
3
+
2
x
=
6
A.
1
1
8
B.
5
7
8
C.
1
7
8
D.
2
5
8
19.
What is the value of y in the equation
2
3
(
6
y
-
2
)
=
2
y
+
4
A.
2
2
3
B.3 C.
8
9
D.
1
1
3
20.
What is the value of s in the equation
s
4
+
2
3
(
s
+
5
)
=
6
A.
2
10
11
B.
1
1
11
C.
10
2
11
D.
2
4
9
21.
What is the value of x in the equation
1
2
(
x
+
1
)
+
1
3
(
2
x
-
1
)
=
5
? A.
4
1
7
B.
4
2
7
C.
4
3
7
D.
4
7
22.
What is the value of x in the equation:
2
(
x
+
1
)
3
-
4
=
6
A. 14 B. 10 C. 8 D. 4
23.
What is the value of x in 3(x+4)-10=32? A.
16
2
3
B.
12
2
3
C.
11
1
3
D.10
24.
What is the value of x in the equation
2
3
(2x+4) +6=10? A. 5 B. 4 C. 2 D. 1
25.
What is the value of x in the equation
x
4
+
x
-
3
2
=
3
A. 2 B. 3 C. 5 D. 6
26.
What is the value of x in the equation
2
(
x
+
3
+
1
2
x
+
1
)
=
116
? A.
74
2
3
B.
44
4
5
C.36 D.27
27.
What is the value of n in the equation. 5n+3(n-4)=36 A. 8 B. 6 C. 5 D. 3
28.
What is the value of x in equation
3
5
(2x+2)-1=5? A. 2 B.
2
1
3
C. 4 D.
3
2
3
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