sweetasacherrie623 sweetasacherrie623

03-07-2022
Mathematics

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If the sum of a number and eight is doubled the result is five less than the number find the number

Respuesta :

Medunno13 Medunno13

03-07-2022

Answer: -21

Step-by-step explanation:

Let the number be x.

Then, this means 2(x+8)+5=x.

2x+16+5=x [distributive property]
2x+21=x [combine like terms]
x+21=0 [subtract x from both sides]
x= - 21 [subtract 21 from both sides]

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