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Byju's Answer
Standard VII
Mathematics
Methods of Solving an Equation
If 3 x -2=13,...
Question
If
3
x
−
2
=
13
, then
x
is
A
2
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B
3
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C
4
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D
5
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Solution
The correct option is
D
5
Given,
3
x
−
2
=
13
⇒
3
x
=
13
+
2
[Transposing 2 to the other side]
⇒
3
x
=
15
⇒
x
=
15
3
[Transposing 3 to the other side]
⇒
x
=
5
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