What is y - 8 = -1/2 (x + 4) in standard form (8th grade math)

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Which shows how to solve the equation 3/4x=6 for x in one step?