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Byju's Answer
Standard VIII
Mathematics
Reversing the 2 Digit Numbers and Subtracting Them
Mark J agains...
Question
Mark (✓) against the correct answer:
x
+
5
2
+
x
-
5
3
=
25
6
gives
(a) x = 3
(b) x = 4
(c) x = 5
(d) x = 2
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Solution
(b)
x
=
4
x
+
5
2
+
x
-
5
3
=
25
6
⇒
3
x
+
5
+
2
x
-
5
6
=
25
6
because
L
.
C
.
M
.
of
2
&
3
is
6
⇒
3
x
+
15
+
2
x
-
10
6
=
25
6
⇒
5
x
+
5
6
=
25
6
⇒
5
x
+
5
=
25
cancelling
6
from
the
denominator
on
both
the
sides
⇒
5
x
=
25
-
5
⇒
5
x
=
20
⇒
x
=
20
5
⇒
x
=
4
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Reversing the 2 Digit Numbers and Subtracting Them
Standard VIII Mathematics
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