Nine subtracted from one half of a number is 4

Answer 1

So we have a number that is halved...

¹/₂ x

And then we subtract 9 from it...

¹/₂ x - 9

And that equals 4:

¹/₂ x - 9 = 4

To solve this we start by adding 9 to both sides:

¹/₂ x - 9 + 9 = 4 + 9

¹/₂ x = 13

Now we multiply both sides by 2:

¹/₂ x * 2 = 13 * 2

x = 26