Answer:
i think probably x∉∅
Step-by-step explanation:
3x-7 = 3x+9
-7 = 9
so x∉∅
I used a math calculator to evaluate this expression you just plug it in and it gives you the answer with all the steps. use the app FX math junior, but this is the answer ; 2419/720=3.3597
73 is the answer I Hope dis help you
B......hope this was helpful
7 and 55/10000 which simplifies to 7 and 11/2000