Math, asked by nirbhay64, 1 year ago

find three consecutive numbers whose sum is 81

Answers

Answered by HappyDwivedi

first number be. =x
second be=x+1
third be=x+2

so, x+x+1+x+2=81

3x+3=81
3x=81-3
x=78/3
x=26

first is 26
second is26+1=27
third is 26+2=28

proof= 26+27+28=81

nirbhay64: right answer

someshupadhayay911: the first number is
x
, then the second number is
x
+
2
and the third number is
x
+
4
. An example is
3
,
5
,
7

x
+
(
x
+
2
)
+
(
x
+
4
)
=
81

3
x
+
6
=
81

x
=
81
−
6
3
=
75
3
=
25

Therefore the numbers are
25
,
27
,
29

Answered by vani80

LET THE NUMBERS BE X, X+1,X+2
X+X+1+X+2=81
3X+3=81
3X=81-3
3X=78
X=78/3
X= 26
hence
X+1 =27
X+2=28
Check
26+27+28=81
Hence verified
Plz mark brainlist if nice

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