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Rearranging the Terms in an Inequation

My age is thr...

Question

My age is thrice my age hence minus 3 years ago. What is my present age

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Solution

Let my present age be x.
Its given my age is thrice my age 3 years ago
My age three years ago is x-3
so
x = 3(x-3)
x= 3x-9
2x=9
x=9/2
x=4.5

So my present age is 4.5 years

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Rearranging the Terms in an Inequation

Standard VII Mathematics

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