sanchezphillip69
sanchezphillip69 sanchezphillip69
  • 08-10-2020
  • Mathematics
contestada

A certain number plus five is equal to double the number
plus twelve. Write the equation and find the certain number,

Respuesta :

jasonxsipes jasonxsipes
  • 08-10-2020

Answer:n+5=2n+12, n=-7

Step-by-step explanation:

Answer Link
oasiskafle
oasiskafle oasiskafle
  • 08-10-2020
Let the certain number is x.
According to question,
x + 5 = 2x + 12
Or, 2x - x = 5 - 12
Therefore, x = -7

Hence, the required certain number is -7.
Answer Link

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