Algebra

Definition Of Algebra

Algebra is a branch of mathematics that deals in representing numbers through variables.

Algebra also deals with symbols, relations, functions, and equations.

More About Algebra

Algebra can mainly be divided into two parts, elementary algebra and abstract algebra or modern algebra

Examples of Algebra

5 + a = 12
Here, the variable 'a' represents a whole number and it can be solved to find its actual value. 'a' must be equal to 7 as 5 + 7 = 12.

Video Examples: Maths the Wacky Way - Algebra

Solved Example on Algebra

Ques: Solve the equation. y - 8 = 12

Choices:
  • A. 4
    B. 20
    C. 96
    D. 9 
    Correct Answer: B

Solution:

Step 1: y - 8 = 12 [Original Equation.]
Step 2: y - 8 + 8 = 12 + 8 [Add 8 on each side to isolate the variable y.]
Step 3: y = 20 [Add 12 and 8 to get 20.]