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Byju's Answer
Standard XII
Mathematics
nth Term of A.P
State true or...
Question
State true or false:
If
8
x
+
4
=
2
(
x
−
1
)
+
7
, then
x
=
16
3
.
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Solution
Given,
8
x
+
4
=
2
(
x
−
1
)
+
7
⇒
8
x
+
4
=
2
x
−
2
+
7
⇒
8
x
+
4
=
2
x
+
5
⇒
8
x
−
2
x
=
5
−
4
...[Transposing
2
x
to LHS and
4
to RHS]
\Rightarrow 6x=1$
⇒
x
=
1
6
...[Dividing both sides by 6]
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