Steps At a restaurant the cheeseburger has 35 less calories than 3 side salads Two burgers and a salad have a total of 945 calories How many calories are in each item Write your system Does your system have one variable isolated yes substitute isolated variable with expression solve plug in value of the variable into one equation solve for 2nd variable check in both equations does your solution work in both no isolate one variable solution ist variable solution 2nd variable