INTRODUCTION:
Algebra is the combination of the things like variables, constants, term, and integer. When there is a combination of variables, constants, numbers there is a formation of the algebraic equation.
Algebraic equations are divided into different parts.
Parts of Algebra:
Algebraic equation has 3 main parts:

Variables

Constants

Equal sign
 Variables: Variables means “To vary” that means the things that can be changed, and whose value we have to find.
Examples: All alphabets like a, b, c ………..x y, z all are called variables.
 Constants: Constant means fixed the value which cannot be changed.
Example: All the integers like 1, 2, 3 ……….etc.
 Equal sign: There is an equal sign “=” is always present between the algebraic equation. This “=” sign will separate these both sides one as L.H.S and one as R.H.S.
So we can say that:
An algebraic expression always has two sides:
L.H.S. =R.H.S.
If we have a number which is “+” on L.H.S and if we just shift it on R.H.S. then it will change into ““.
So we can say :
(+ ) sign will Changes to( –) sign
( ) sign willChanges to(+) sign
(×)sign will Changes to ( /) sign
(/) sign willChanges to(×) sign
And we can write as :
Variables+ Constants = Algebraic Expressions
INTRODUCTION OF ALGEBRAIC EQUATIONS:
Algebraic equation combination of numbers and variables and they are joined together.
For Example:
2x10 = 6
2x =6+10
2x=16
X=16/2
X=8
Here 2,10,6 are constants and “x” is a variable. So we can’t subtract 2x10.
So we have to shift “10” from L.H.S. to R.H.S.
And when we do so the Negative sign changes into Positive sign.
And now here 2 is multiplying with x on L.H.S., So when 2 goes from L.H.S. to R.H.S. then it will change into the division.
Rules Of Algebraic Expression:
 Variables terms always added to the variable.
 Constant are always added to constants.
 We never add variable and constants together.
 If we change any number from one side to another side their sign must be changed.
Practice and Solve the following questions
 10y+12=20
 25m=50
 30a+20a=100
 20 + 10d = 30
 100g =1000
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