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of the number, the result is 23? Asked by Sushil Last Modified
Answer 
Apoorva Purohit
(a) Let the number be x
According to the equation, 8x+4=60
8x=60-4
8x=56
x=
x=7
(b) Let the number be y
According to the equation, -4=3
=3+4
=7
y=7x5
y=35
(c) Let the number be z
According to the equatio +3=21
=21-3
=18
3z=18x4
3z=72
z=
z=24
(d) Let the number be x
According to the equation, 2x-11=15
2x=11+15
2x=26
x=
x=13
(e) Let the number be m
According to the equation, 50-3m=8
-3m=8-50
-3m=-42
m=
m=14
(d) Let the number be n
According to the equation, =8
n+19=8x5
n+19=40
n=40-19
n=21
(e) Let the number be x
According to the equation, -7=
=
+7
=
5x=25
x=5
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