SOLUTION: Prove: For all real numbers a, b, and c, if a + c = b + c, then a = b.

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Question 318838: Prove: For all real numbers a, b, and c, if a + c = b + c, then a = b.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a%2Bc=b%2Bc
Subtract c from both sides.
a%2Bc-c=b%2Bc-c
a%2B0=b%2B0
+a=b+