dehstaney3596 dehstaney3596
  • 21-09-2021
  • Mathematics
contestada

When 5 is added to a certain number and the result is multiplied by 3 the final answer is 27 what is the original number

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seetha1980
seetha1980 seetha1980
  • 21-09-2021

Answer:

The original number is 4

Step-by-step explanation:

Let x be the number.

5 is added to x => 5+x

When it is multiplied by 3,

3*(5+x) = 27

=> 15 + 3x = 27

Subtract 15,

3x = 27 - 15 = 12

Divide by 3,

x = 4

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