Sagot :
let 'x' be the number
-doubling the number you will have
2x
-subtracting 6 from 2x and dividing the difference by 2 you'll have:
[tex] \frac{2x - 6}{2} = 20[/tex]
-cross multiply 2
2x - 6 = 20(2)
2x - 6 = 40
2x = 40 + 6
2x = 46
x = 23
therefore the number is 23
-doubling the number you will have
2x
-subtracting 6 from 2x and dividing the difference by 2 you'll have:
[tex] \frac{2x - 6}{2} = 20[/tex]
-cross multiply 2
2x - 6 = 20(2)
2x - 6 = 40
2x = 40 + 6
2x = 46
x = 23
therefore the number is 23