You do. Probably every day. If you learn basic algebra, you grasp the concept of how quantities of different variables add together to give a total quantity.
For example, if you go the cinema and spend £8 or $, on a ticket and 3 bottles of coke and you know the ticket was £5 then it follows that the coke cost £3, and £1 each bottle. Sure you might not write down x:price of coke, and 5 +3x=8, therfore x =1. But the concept is there and if you hadn't done algebra then you wouldn't have that concept. (And don't say that's just addition as it's not-it's actually algebra!)
This is only 1 example, there are millions. So next time you hear someone whining about algebra you can explain how they use it in everyday life.
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more than one math uses algebra for example polynomials also use algebra and you can use algebra to figure out your pay for a year or to figure out your yearly interest on the amount you put in your savings account.
Here are the basic differences:elementary algebra:- Domain is the real numbers- Uses the operations of addition, subtraction, and multiplication- Uses the laws of associativity, commutativity, and distributivityBoolean algebra:- Domain is only two numbers- Uses the operations of conjunction, disjunction, and negation (AND, OR, NOT)- Uses the laws of associativity, commutativity, distributivity, absorption, and complements
Algebra is a branch of mathmatics that uses formulae to calculate unknowns
As by "who" i assume you mean what profession. Algebra is used a lot in banking, economics, and doctors who need formulas. But overall algebra is mostly used by college leveled advanced algebra teachers.