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Maths, VIII

                           RATIONAL NUMBERS , LINEAR EQUATIONS IN ONE VARIABLE

  1. Which rational number is called identity element for addition of  rational  numbers ?
  2. 3x – 3 =   2x  +  2  ,   the   value of x is
  1. Write the present age of a mother , if she is 2 years less than  three                  times her son’s age ,if her son’s age is x years.

4 .Which  rational number is multiplicative identity for rational numbers ?

  1. If 2x -2 =  x +3  , then   x  is
  1. Additive  inverse  of     is

7 . Find tha value of

8.Evaluate :    +

9.Evaluate :    +

10.Evaluate :     +

 


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