One more than the product of 19 and a number

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

What does x = in this equation x+3+2x=x+5

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.