kenzie8771 kenzie8771
  • 25-03-2021
  • Mathematics
contestada

9.) Eight times the sum of twice
a number and five is eighty-eight.
Find the number.

Respuesta :

mackrickard mackrickard
  • 25-03-2021
First, "twice a number, x" means to multiply x by 2:

2x

Then, "the sum of twice a number x and eight" can be written as :

2x + 8

"three times the sum" would be written as :

3 (2x + 8)

Lastly, "is twenty-four" can be represented as:

=24

If you combine the last two portions , you have the following equation:

3 (2x+ 8) = 24

This equation could be solved to fins the value of x as well.
Answer Link
liviegrace2744 liviegrace2744
  • 25-03-2021

The number =3 . First write out the equation (pick out a variable- I used x) then solve using pemdas
Ver imagen liviegrace2744
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