Answer:y=4
Step-by-step explanation:
2(5y-2)=12+6y
10y-4=12+6y
4y-4=12
4y=16
y=4
Negative exponents work like this:

So, they work like positive exponents, but you have to invert the base.
If you invert 1/6 you get 6, so you have

Answer: x=2−2√3,2+2√3
Step-by-step explanation:
You could say 70/500=... Or maybe 60/500=...
The answer is 6.4,you subtract 4.6 and 11