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a short note on 'linear equation on one variable'
An equation of one variable and of first order (i.e., its highest power is one) is called a Linear equation in one variable. 



Such an equation has only one solution. A solution is also called the 'root' of the given equation.
An equation of one variable and of first order (i.e., its highest power is one) is called a Linear equation. Such an equation has only one solution. A solution is also called the 'root' of the given equation. 

eg:- 4x - 1 = 11
   
            4x = 11 + 1
           4x   =12 
              x = 12 / 4 =3


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