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Byju's Answer
Standard XII
Mathematics
Fractional Part Function
The Solution ...
Question
The Solution of the equation
(
x
−
4
7
−
x
+
4
5
=
x
+
3
7
)
is_______
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Solution
x
−
4
7
−
x
+
4
5
=
x
+
3
7
⇒
5
(
x
−
4
)
−
7
(
x
+
4
)
=
5
(
x
+
3
)
⇒
5
x
−
20
−
7
x
−
28
=
5
x
+
15
⇒
7
x
=
−
20
−
28
−
15
=
−
63
⇒
x
=
−
63
7
=
−
9
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[CBSE 2014]
Q.
In the given figure, for which value of x is l
1
|| l
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?
(a) 37
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