to be able to solve problems is the main purpose of studying algebra... :)
Algebra helps you solve real-world problems that you will face when you are on your own.
Language of Algebra
Yes, in a way. Algebra teaches you how to solve problems
There are different ways of solving different problems, not a single way for all algebraic problems.
Algebra is used to solve simple problems involving know and unknown variables.
It was invented to systematically solve complicated logic/math problems.
To find answers to problems and help solve equations.
Check out the related link: YouTube video.
scale: 1 cm represents 5 meters