Question

twise a number when decreased by 7 gives 45 find the number

Answer 1

let number be x
2x-7=45
2x=52
x=26

Answer 2

let the number be x
twice of the number =2x
Decreased by 7=2x-7
Result =45
So 2x-7=45
2x=45+7
x=52/2
x=26
Therefore the number is 26