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Byju's Answer
Standard IX
Mathematics
Addition and Subtraction of Algebraic Equations
x x 3+y 4=4 ;...
Question
(x)
x
3
+
y
4
=
4
;
5
x
6
-
y
8
=
4
Open in App
Solution
x
3
+
y
4
=
4
⇒
4
x
+
3
y
=
48
.
.
.
(
i
)
5
x
6
-
y
8
=
4
⇒
20
x
-
3
y
=
96
.
.
.
(
ii
)
Multiplying
eq
(
i
)
by
5
,
we
get
:
20
x
+
15
y
=
240
.
.
.
(
iii
)
Subtracting
eq
(
ii
)
from
(
iii
)
,
we
ge
t
:
20
x
+
15
y
=
240
20
x
-
3
y
=
96
-
+
-
18
y
=
144
∴
y
=
8
Substituting
y
=
8
in
(
i
)
,
we
get
:
4
x
+
3
×
8
=
48
⇒
4
x
=
24
∴
x
=
6
Hence
,
x
=
6
,
y
=
8
is
the
solution
of
the
given
equations
.
Suggest Corrections
0
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