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Byju's Answer
Standard VI
Mathematics
Importance of Brackets
Find x, if ...
Question
Find
x
, if
6
−
[
5
−
{
x
−
(
2
−
3
2
)
}
]
=
3
A
5
2
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B
3
2
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C
7
2
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D
9
2
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Solution
The correct option is
B
7
2
Given,
6
−
[
5
−
{
x
−
(
2
−
3
2
)
}
]
=
3
or,
6
−
[
5
−
{
x
−
1
2
}
]
=
3
or,
6
−
[
5
−
x
+
1
2
]
=
3
or,
6
−
5
+
x
−
1
2
=
3
or,
1
+
x
−
1
2
=
3
or,
x
+
1
2
=
3
or,
x
=
3
−
1
2
or,
x
=
5
2
.
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0
Similar questions
Q.
Add the given polynomials.
(i)
x
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x
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-
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;
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x
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+
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x
+
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(ii)
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+
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+
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;
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m
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+
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(iii)
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Q.
Subtract:
(i) 5a + 7b − 2c from 3a − 7b + 4c
(ii) a − 2b − 3c from −2a + 5b − 4c
(iii) 5x
2
− 3xy + y
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from 7x
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+ 5x − 3 from 4 − 5x + 6x
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+ 2x
2
y + 6xy
2
− y
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from y
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− 3xy
2
− 4x
2
y
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2
y
2
+ 7xy −6 from 9x
2
y
2
−6xy + 9
(vii) −2a + b + 6d from 5a − 2b − 3c
Q.
Multiply:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
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