An number multiplied by zero is zero. This is because you are essentially saying that 1,000 0 times is zero.
It depends on what level of classes you take, but algebra classes in college do tend to be harder than algebra classes in high school or middle school.
Answer:
expand the equation
then make q the subject of the formal
7/8-5/8= 2/8 and if you reduce 2/8 by 2 it becomes 1/4. So 1/4 is your answer. Hope This Helps :D