Question

2x + y years ago, roberto was 3x + y years old. how many years old was roberto x years ago?

Answer 1

IN 2X+ Y YEARS AGO HIS AGO IS 3 X + Y

so on 2X years ago his age is 3 X (eliminating y on both sides)

:: so in X years his age will be "" 3x/ 2 ""

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