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//chapter 8 Ex 7
clc;
clear;
close;
//let abhay's age 10 years ago be x
//by the given condition: equation is x+16=3/7*(5x+16);
mycoeff=[-64 8];
p=poly(mycoeff,"x","coeff");
x=roots(p);
mprintf("Present age of abhay father is %d years",5*x+10);
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