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KatieMarieWilk1 KatieMarieWilk1
  • 23-04-2015
  • Mathematics
Answered

find three consecutive even integers such that the sum of the smallest integer and twice the second is 12 more than the third (only an algebraic solution will be accepted )

Verified Answer :

jzakoian
jzakoian jzakoian
  • 23-04-2015

Let us call them a, b and c
we know that
a+1=b
a+2=c
a+2b=12+c
we can deduce the following:
a+2(a+1)=12+(a+2)
3a+2=a+14
2a=12
a=6

so b would be 7 and c would be 8
Makes sense ?

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