SOLUTION: write an algebraic expression for each of the following suman is 7 years younger to his brother aman diameter of a circle is twice the radius successor of a natural number

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Question 1089427: write an algebraic expression for each of the following
suman is 7 years younger to his brother aman
diameter of a circle is twice the radius
successor of a natural number n
Answer by MathLover1(20849) About Me  (Show Source):
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suman is 7 years younger to his brother aman
suman=aman+-7
diameter of a circle is twice the radius:
+diameter=2%2Aradius or short d=2r
successor of a natural number n:n%2B+1
by definition:
Every natural number has a unique successor.
0 is not the successor of a natural number.
Different natural numbers have different successors.
The successor of a natural number n is n%2B+1.