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Byju's Answer
Standard VIII
Mathematics
Solving Equations with Variables on Both Sides
Solve 2m3+8...
Question
Solve
2
m
3
+
8
=
m
2
−
1
for the value of
m
.
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Solution
Given,
2
m
3
+
8
=
m
2
−
1
⇒
2
m
+
24
3
=
m
−
2
2
On cross multiplying, we get
2
(
2
m
+
24
)
=
3
(
m
−
2
)
⇒
4
m
+
48
=
3
m
−
6
Transpose
m
terms on one side,
4
m
−
3
m
=
−
6
−
48
⇒
m
=
−
54
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