What equation to use to solve the zero of a pattern. and how to use it

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?