document.write( "Question 236034: Can you please explain this to me? I think the argument is correct, but I'm not 100% and I wouldn't know where to begin explaining why. Thanks so much for your help!!\r
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\n" ); document.write( "\n" ); document.write( "Hosni gave the following argument that - (a + b) = -a + -b, for all integers a and b. If the argument is correct, supply the missing reasons. If it is incorrect, explain why not.
\n" ); document.write( "-(a + b) = (-1)(a + b)
\n" ); document.write( " = (-1)a + (-1)b
\n" ); document.write( " = -a + -b
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Algebra.Com's Answer #173970 by punksnotdead28(4)\"\" \"About 
You can put this solution on YOUR website!
It is correct, but more simplified would be -a - b \n" ); document.write( "
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