356 added to the product of 56 and an unknown number is equal to -832 .let b=unknown number. what is the equation for the given statement?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

With alll of except for the 2 that i did already

Solve 13 + w/7= -18 (w/7 is a fraction)