Answer:
x=4
Step-by-step explanation:
The first thing you need to do is combine like terms which would give you
3x-4=8 then you would add four to both sides giving you 3x=12 finally you would divide both sides by 3 giving you x=4.
51.9% increase
Y= -2x -11
Y-y1=m(x-x1)
Y- -1= -2(x- -5)
Y+1= -2x -10