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The sum of a number and its successor is $ 79 . $ Find the successor of the number.
Given :
The sum of a number and its successor is 79.
To find :
We have to find the successor of the number.
Solution :
Let the number be x.
This implies, the successor of the number = $x+1.$
Therefore,
$x+(x+1)=79$
$2x+1=79$
$2x=79-1$
$2x=78$
$x=\frac{78}{2}$
$x=39$
The value of the number is 39.
The successor of the number is $39+1=40.$
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