document.write( "Question 37318: Combine like terms. \r
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Algebra.Com's Answer #23001 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
From x + 6y + 15 - 7x - 3y - 13, we add all of the x's together, all of the y's together, and all of the number (or constant) terms together. Thus,
\n" ); document.write( "x + 6y + 15 - 7x - 3y - 13 =
\n" ); document.write( "(x - 7x) + (6y - 3y) + (15 - 13) =
\n" ); document.write( "-6x + 3y + 2
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