After 18 years swamy will be four times as he is now algebric expression
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Suppose Swamy is now = x years old
According to question After 18 years swamy will be four times as he is ,
So ,
- x + 18 = 4x
- 4x = 18 + x
- 4x - x = 18
- 3x = 18
- x = 18 / 3
- x = 6
Swamy is 6 years old now.
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