what is the answer for x in this problem 39-x=12
So you subtract 12 to both sides, and 39 - 12 = 27 so it's x = 27. To test this, you add 12 + 27 which equals 39, just like it's stated in da problem. I hope I helped! :-)
39 - x = 12x ⇒ ?39 - 12 = x39 - 12 = 27x ⇒ 27Check:-39 - x = 12x ⇒ 2739 - 27 = 12Correct!x ⇒ 27