SOLUTION: Here is my writing to explain question, why is the value of A -1 always less than the value of A? Thanks for your help Alyssa brandon 4th grader

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Question 658184: Here is my writing to explain question, why is the value of A -1 always less than the value of A?
Thanks for your help
Alyssa brandon 4th grader
Found 2 solutions by jim_thompson5910, solver91311:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
A is a number. A could be 12, 15, 122, 1067...it could be anything.

A-1 is one less than that number since you're subtracting 1 from that number. So if A is 12, then A-1 is 11.

This is true for ANY number you pick for A.
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


In the context of numbers, less than means to the left on the number line. That is to say that if is less than , then is to the left of . But the act of adding a to a number moves the value one unit to the left of its original place on the number line. That is to say, because of the definition of the operation of subtraction, is always to the left of, and therefore less than,

John

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