Movie theater a has a popcorn machine with 100 gallon capacity and sells 3 gallons of popcorn per hour movie theater B has a popcorn machine with 150 gallon capacity and sells 5 g of popcorn per hour. Write an equation to show when the two popcorn machines will have the same amount of popcorn left use X as you’re variable.

100 - 3X = 150 - 5X