Question

Thirteen years from now, anjali's age will be 2 times of her present age. Find her present age.

Answer 1

$$\begin{gathered} \mathrm{Let}\mathrm{the}\mathrm{present}\mathrm{age}\mathrm{of}\mathrm{Anjali}=x\mathrm{yrs} \\ \mathrm{After}13\mathrm{yrs},\mathrm{Anjali}\text{'}\mathrm{s}\mathrm{age}=\left(x+13\right)\mathrm{yrs} \\ \mathrm{Now}\mathrm{according}\mathrm{to}\mathrm{question}, \\ x+13=2x \\ \Rightarrow x-2x=-13 \\ \Rightarrow -x=-13 \\ \Rightarrow x=13 \\ \mathrm{So},\mathrm{present}\mathrm{age}\mathrm{of}\mathrm{Anjali}=13\mathrm{yrs} \end{gathered}$$