Answer:
y=2x
Step-by-step explanation:
x independent?
y dependent
positive change? so srry
Answer: less than
Step-by-step explanation: the greatest internet function shown below is defined so that it produces the greatest integer less than or equal to x.
Since you have y alone on one side of the equation......
Use substitution and plug in 1/2x-4 for y in the other equation.

Distribute

Combine like terms

Add 8 to both sides

Divide by 4
and 
Plug this value in for x

Simplify

Multiply everything by 8 and simplify

Divide.....

Your answers are:

Same here , like somebody please answer thanks