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Phổ biến Word Problems >

the sum of three consecutive integers is-90. What is the largest integer

Lời Giải

t h e s u m o f t h ree co n sec u t i v e in t e g ers i s - 90. Wha t i s t h e l a r g es t in t e g er

Lời Giải

The number : - 29

Các bước giải pháp

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 = - 90

Giải

x + x + 1 + x + 2 = - 90 : x = - 31

x + 1 = - 31 + 1 = - 30

x + 2 = - 31 + 2 = - 29

The number : - 29

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