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01-11-2017
Mathematics

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Find three consecutive integers such that twice the middle decreased by three is two more than the third

Respuesta :

01-11-2017

let x the first number
x+1 the second
and x+2 the third

twice the middle 2(x+1)

two more than the third 2+(x+2)

2(x+1) - 3 = 2+(x+2)

2x + 2 -3 = 2+x+2

x= 5 the second 6 the third 7

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