document.write( "Question 718099: what is the sum of (7x+16y)+(-17x+15y)
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Algebra.Com's Answer #440736 by lenny460(1073)\"\" \"About 
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what is the sum of (7x+16y)+(-17x+15y) ?\r
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\n" ); document.write( "\n" ); document.write( "Remove the brackets:\r
\n" ); document.write( "\n" ); document.write( "7x + 16y - 17x + 15y\r
\n" ); document.write( "\n" ); document.write( "Combine like terms:\r
\n" ); document.write( "\n" ); document.write( "7x - 17x = -10x\r
\n" ); document.write( "\n" ); document.write( "16y + 15y = 31y\r
\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "\n" ); document.write( "31y - 10x
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