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Explain Algebra.
- Algebra is a branch of mathematics which deals with symbols and the rules for manipulating those symbols.
- In elementary algebra, those symbols (today written as Latin and Greek letters)represent variables i.e quantities without fixed values.
- The letters x and y represent the areas of the fields.
- The main purpose of Algebra is to make it easy to state a mathematical relationship and its equation in a form of shorthand
- You then substitute values in order to solve the equations for the unknown quantities.
For example, 2(5 + 9) is a numeric expression. Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division).
For example, 2(x + 9y) is an algebraic expression.
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