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Byju's Answer
Standard X
Mathematics
Elimination Method of Finding Solution of a Pair of Linear Equations
Find x : 9...
Question
Find
x
:
9
x
+
7
2
−
(
x
−
x
−
2
7
)
=
36
Open in App
Solution
9
x
+
7
2
−
(
x
−
x
−
2
7
)
=
36
⇒
9
x
+
7
2
−
(
7
x
−
x
+
2
)
7
=
36
⇒
9
x
+
7
2
−
(
6
x
+
2
)
7
=
36
⇒
63
x
+
49
−
(
12
x
+
4
)
14
=
36
⇒
63
x
−
12
x
+
49
−
4
=
36
×
14
⇒
51
x
+
45
=
36
×
14
=
504
⇒
x
=
504
−
45
51
=
459
51
=
9
Suggest Corrections
5
Similar questions
Q.
Solve :
9
x
+
7
2
−
(
x
−
x
−
2
7
)
=
−
36
Q.
Solve:
9
x
+
7
2
−
[
x
−
x
−
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7
]
=
36
Q.
Solve the given equation
9
x
+
7
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−
(
x
−
x
−
2
7
)
=
36
Q.
3x +2/x =7, find (9x^2- 4/x^2)
Q.
x
2
+
9
x
+
14
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+
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=
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Standard X Mathematics
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