Translate the equation into written algebraic sentence 8x=4x-7

x = -7/4

Step-by-step explanation:

"Eight times a number equals 4 times that number less 7."

Subtracting 4x from both sides of this equation, we get:

4x = -7

Dividing both sides of this result by 4 yields

x = -7/4

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent

the answer

b. they are parallel and will never intersect.