Question

Is the original
1
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af is added to a number and the sum is multiplied by 2, the answer is - What is the number?
3​

Answer 1

let the no. which is to be added to 1 is x

then ,

(1+x) ×2= 3

2+2x=3

2x = 3-2

2x=1

x. =1/2