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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Algebraic Expression
If 13 x +5=8,...
Question
If
1
3
x
+
5
=
8
, then x = ?
(a) 3
(b) 6
(c) 9
(d) 12
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Solution
(c) 9
1
3
x
+
5
=
8
or,
1
3
x
+
5
-
5
=
8
-
5
[Subtracting 5 from both the sides]
or,
1
3
x
=
3
or,
1
3
x
×
3
=
3
×
3
[Multiplying both the sides by 3]
or, x = 9
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