Answer:
344444444433333338694
Step-by-step explanation:
I am probably wrong but it might be 28 or 28.3 (I’m really sorry if this is wrong lol)
Move the -7 to the right, its sign will flip (do you know why?)
Negate both sides to change -x to x
-x = 16+7
-x = 23
x = -23