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The sum of three consecutive integers is minus,−51. Find the value of the middle of the three.

الحلّ

The sum of three consecutive integers is minus, −51. Find the value of the middle of the three.

الحلّ

The number : 17

خطوات الحلّ

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = - (- 51)

x + x + 1 + x + 2 = - (- 51)

حلّ:

x = 16

x + 1 = 16 + 1 = 17

x + 2 = 16 + 2 = 18

The number : 17

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