Solve the following equations and check your results.

Q.1 3x = 2x + 18                                 

Answers (1)

We have 

              3x = 2x + 18

Subtracting 2x from both sides 

              3x - 2x = 2x - 2x + 18

or           x = 18

Check:-  Put x = 18 in both LHS and the RHS.

            LHS = 3x = 3(18) = 54

            RHS =  2x + 18 = 2(18) + 18 = 36 + 18 = 54

        Thus,       LHS = RHS

        

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