Take the value of x-4, and make it positive, then subtract three. The graph would look like the following.
-6x+4y=-4 -6x+2y= 4 solve for x and y
1 answer:
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For this case we propose a rule of three:
foot ------------->
hour
x -----------------------------------> 1 hour
Where "x" represents the amount of foot in one hour.
So, we have foot every hour.
Answer:
foot every hour