After 18 years ,Summit will be three times as old as he is now. Find his present age
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Let x = Summit's present age
x + 18 = 3x
Subtract x from both sides
x + 18 - x = 3x - x or 18 = 2x
Divide both sides by two
18/2 = 2x/2 or 9 = x
Summit is currently 9
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Let the present age of Sumit = x
After 18 years, he will be three times as old as he is now
so x+18 = 3x
=> 18 = 3x - x
=> 18 = 2x
=> x = 18/2
=> x = 9
His present age is 9 years.
After 18 years, he will be three times as old as he is now
so x+18 = 3x
=> 18 = 3x - x
=> 18 = 2x
=> x = 18/2
=> x = 9
His present age is 9 years.
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