Well start with a formula relating distance rate and time. The only difference is that you are using variables instead of numbers. We will call this solving an equation for a specific variable in general.
Write y in terms of x y - 3 13x - 4 6.
All other variables and constants are on the other side of the equals sign. If you need to put a formula in a spreadsheet it is not unusual to have to solve it for a specific variable first. So this right here this is just the formula for the perimeter of a rectangle. How to solve a formula with variables for a specified variable.