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Byju's Answer
Standard VII
Mathematics
Forming Equation from Solution
S o l v e e ...
Question
Solve each of the following equations and verify the answer in each case:
n
4
-
5
=
n
6
+
1
2
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Solution
n
4
-
5
=
n
6
+
1
2
or,
n
4
-
n
6
=
1
2
+
5
[Transposing n/6 to the L.H.S. and 5 to the R.H.S.]
or,
3
n
-
2
n
12
=
1
+
10
2
or,
n
12
=
11
2
or,
n
12
×
12
=
11
2
×
12
[Dividing both the sides by 12]
or, n = 66
Verification:
Substituting n = 66 on both the sides:
L.H.S.:
66
4
-
5
=
33
2
-
5
=
33
-
10
2
=
23
2
=
23
2
R
.
H
.
S
.
:
66
6
+
1
2
=
11
+
1
2
=
22
+
1
2
=
23
2
L.H.S. = R.H.S.
Hence, verified.
Suggest Corrections
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