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Addition of Polynomials

If 2 is added...

Question

If 2 is added to a number and the sum be multiplied by 3 , the result is equal to one less than four times a number . Find the number

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Solution

Let the required number be x
From the given data
3(x+2)=4x-1
3x+6=4x-1
x=7
So,required number is 7

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