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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

Sagot :

Medunno13

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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