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Phổ biến Word Problems >

The sum of a number and negative 12 is three times the number decreased by 24. What is the number?

Lời Giải

T h e s u m o f a n u mb er an d n e g a t i v e 12 i s t h ree t im es t h e n u mb er d ecre a se d b y 24. Wha t i s t h e n u mb er ?

Lời Giải

The number : 6

Các bước giải pháp

Represent the number with

x

A.T.Q.:

x + (- 12) = 3 x - 24

Giải

x, x + (- 12) = 3 x - 24 : x = 6

The number : 6

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