Question

The sum of a number and 1added to it, multipied by 2is 10 what is the number

Answer 1

2(x +1)=10 then x =4

Answer 2

let the number be x ,
now
= 2(x+1)=10
= 2x+2=10
= 2x=10-2
= 2x=8
= x=8/2
= x=4
then the number is 4