I am three times as old as my son.five years later i shall be two and half times as old as my son.taking my age as x and son's age as y write the linear equation so formed
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let the age of mine =x
let the age of son=y
so x=3y
x+5=1/2(y+5)
2x+10=y+5
let the age of son=y
so x=3y
x+5=1/2(y+5)
2x+10=y+5
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