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Byju's Answer
Standard VIII
Mathematics
Performing Mathematical Operations on Equation
Solve:4 x+79-...
Question
Solve:
4
x
+
7
9
-
3
x
=
1
4
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Solution
4
x
+
7
9
-
3
x
=
1
4
⇒
4
(
4
x
+
7
)
=
1
(
9
-
3
x
)
(
by
cross
multiplication
)
⇒
16
x
+
28
=
9
-
3
x
⇒
16
x
+
3
x
=
9
-
28
⇒
19
x
=
-
19
⇒
x
=
-
19
19
=
-
1
∴
x
=
-
1
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