Question

after five years the age of mother will be three times the age of her son.represent this in the form of linear equation in two variables

Answer 1

let  age of mother after 5years ago=x+5 and age of son after 5yrs ago=3(y+5)             x+5=3(y+5)    x+5=3y+15                                                                                                              x-3y=15-5                                                                                                                        x-3y=10