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Byju's Answer
Standard VII
Mathematics
Addition and Subtraction of Integers
Find the valu...
Question
Find the value of:
3
a
−
2
b
,
w
h
e
n
a
=
8
,
b
=
10
.
A
3
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B
1
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C
4
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Solution
The correct option is
C
4
3
a
−
2
b
,
w
h
e
n
a
=
8
,
b
=
10
Substituting the values of a and b in the expression gives,
3
a
−
2
b
=
3
(
8
)
−
2
(
10
)
=
24
−
20
=
4
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0
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