Hello,
If r is the commun term added.
I think 3/4 of would be 48 making 4/4 of x 64
Just do 16•3
Its b= -0.2 or b= 1/-5 whichever one works best
Answer:

Step-by-step explanation:
First, we have to write 8 + x, but since it's half of that we write it as a fraction with a 2 on the bottom to halve it.