document.write( "Question 318838: Prove: For all real numbers a, b, and c, if a + c = b + c, then a = b. \n" ); document.write( "
Algebra.Com's Answer #228219 by Fombitz(32388)\"\" \"About 
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\"a%2Bc=b%2Bc\"
\n" ); document.write( "Subtract \"c\" from both sides.
\n" ); document.write( "\"a%2Bc-c=b%2Bc-c\"
\n" ); document.write( "\"a%2B0=b%2B0\"
\n" ); document.write( "\"+a=b+\"
\n" ); document.write( "
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