anishaadhikari478
anishaadhikari478 anishaadhikari478
  • 01-09-2021
  • Mathematics
contestada

a) biswant thought of a number. he double it and added 5. if he got 13, find the number he thought​

Respuesta :

Spaz717
Spaz717 Spaz717
  • 01-09-2021

Answer:

Four

Step-by-step explanation:

13- 5= 8

8/2=4

You simply do the problem in reverse.

Answer Link
devishri1977
devishri1977 devishri1977
  • 01-09-2021

Answer:

The number is 4

Step-by-step explanation:

Let the number = x

Double of x = 2*x = 2x

Then add 5 to it: 2x +5

2x +5 = 13

Subtract 5 form both side

2x + 5 - 5 = 13 - 5

         2x = 8

Divide  both sides by 2

       x = 8/2

x = 4

Answer Link

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