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Byju's Answer
Standard VIII
Mathematics
Applications (Word Problem)
If x+32+3x=...
Question
If
x
+
3
2
+
3
x
=
5
(
x
−
3
)
+
x
+
23
5
, then what is the value of x?
A
7
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B
8
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C
10
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D
12
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Solution
The correct option is
A
7
The given equation is
x
+
3
2
+
3
x
=
5
(
x
−
3
)
+
x
+
23
5
.
Multiplying both sides by the LCM of 5 & 2 ,
i.e 10,
10
×
x
+
3
2
+
10
×
3
x
=
10
×
5
(
x
−
3
)
+
10
×
x
+
23
5
⟹
5
x
+
15
+
30
x
=
50
x
−
150
+
2
x
+
46
⟹
52
x
−
35
x
=
104
+
15
⟹
17
x
=
119
⟹
x
=
7.
Suggest Corrections
2
Similar questions
Q.
5
x
+
1
=
25
x
−
2
. If the value of
3
x
−
3
×
2
3
−
x
is
b
1
4
then,
b
is:
Q.
If
5
x
+
1
=
25
x
−
2
Find the value of :
3
x
−
3
×
2
3
−
x
.
Q.
If
5
x
+
1
=
25
x
−
2
; then the value of :
3
x
−
3
×
2
3
−
x
is
2
1
m
.
Value of
m
is
Q.
If
∣
∣ ∣
∣
x
+
2
2
x
+
3
3
x
+
4
2
x
+
3
3
x
+
4
4
x
+
5
3
x
+
5
5
x
+
8
10
x
+
17
∣
∣ ∣
∣
=
0
then find value of
x
Q.
If
e
x
+
e
5
x
e
3
x
=
a
0
+
a
1
x
+
a
2
x
2
+
a
3
x
3
.
.
.
.
then the value of
2
a
1
+
2
3
a
3
+
2
5
a
5
+
.
.
.
.
is
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