108=2x-4(2x-9)
108=2x-8x+36
108=-6x+36
-36 -36
72=-6x
72/-6=-6x/-6
-12=x
I hope this helps you
4.4-7,8
16-7,8
8,2
A way to remember what you have learned is creating notes or doing practice problems
Answer:

Step-by-step explanation:

Answer:
there arent
Step-by-step explanation:
Δ is negative