Question

When think of a number double it
and add five and get 13 What the number I
Thought

Answer 1

Let the no be x

ATQ

`\\ \sf\longmapsto 2x+5=13`

`\\ \sf\longmapsto 2x=13-5`

`\\ \sf\longmapsto 2x=8`

`\\ \sf\longmapsto x=(8)/(2)`

`\\ \sf\longmapsto x=4`