Answer:

Step-by-step explanation:

Subtract 7 from both sides.

Multiply both sides by v.

Multiply both sides by 1/(y - 7).

Answer:
hey
Step-by-step explanation:
Answer:
Step-by-step explanation:
cost price x .60 = 80
80/.60 = 133.33 was the cost price
Answer:
y=-x
Step-by-step explanation:
The y-intercept is 0 and the slope is -1 so -x.
The answer is 0.5! Good luck