Answer:
$ 0.13
Step-by-step explanation:
x=8/3
y= -20/9
4X + 3Y -4 =0
Linear egquations must in
so 4X + 3Y =4
THEN
3X + 9Y = - 12
next use calculator to solve it or you can use traditional way
9b-12<9b+8
b<20