Answer:
5
Step-by-step explanation:
I DIDN'T RLLY HAVE ONE LOL I JUST KEPT MAKING THE FORMULA
OVER AND OVER AGAIN-
not possible, bother terms have to contain a letter variable
addison all the way
4.78 x 10^11
Here is the answer to your problem
you have jbjhgbjhih7g6ginyfygino
X=5
3x+9 is twice of 12 (24). 24-9=15, and 3*5=15, so x=5.
