sweetasacherrie623 sweetasacherrie623
  • 03-07-2022
  • Mathematics
contestada

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

Respuesta :

Medunno13
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]
Answer Link

Otras preguntas

Ammonia is _____. an acid a base a neutral
what sparked irish immigration to the united states in the mid 1840s
what brought people to American in the 1700s, 1800s, and 1900s?
From the small number of impact craters on ____, planetary geologists suspect that virtually all its original surface has been covered over by younger volcanic
help me this egg farm produces 2400 eggs on monday. you can pack them in crates of 144 eggs each. how many eggs would be needed to fill that last crate
Find a common denominator to make equivalent fractions. 7/8, 1/2
Please show me How to do this number
Was Alexander Hamilton have to do with Webster's Remark
qual o pensamento politico do obama e qual o pensamento politico do donald trump
The origins of Roman mythology lay in ____. 1. Greek Mythology 2. Ovid's Metamorphosis 3. Hesiod's Cosmology 4. Etruscan Monarchy