Research shows that algebra helps you think logically, and in a complex way. In another way, it shows that the student can meet and conquer a challenge on their own. Algebra is considered the basis for all maths.
Anytime you cook by a recipe but need to make more or less then what the recipe serves, when you adjust it, you will use algebra. Figuring out a sale price you use algebra. It comes into play in real life more than you will ever realize.