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Byju's Answer
Standard IX
Mathematics
Division of Unlike Fractions
#8203;given 2...
Question
given 20-5x<5(x+8) find the smallest value of x when, 1.)x∈ INTEGER 2.)X∈WHOLE NUMBER 3.) X∈R
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Solution
Hi,
20
-
5
x
<
5
x
+
40
20
-
40
<
5
x
+
5
x
10
x
>
-
20
x
>
-
2
now
1
)
x
∈
I
so
x
∈
-
2
,
∞
all
integers
value
,
-
1
,
0
,
1
,
2
,
.
.
.
.
.
.
.
.
2
)
x
∈
whole
number
x
∈
[
0
,
∞
)
3
)
x
∈
R
then
x
-
2
,
∞
Regrads
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