document.write( "Question 46719This question is from textbook
\n" ); document.write( ": Solve the system by addition. Please\r
\n" ); document.write( "\n" ); document.write( " 4x + 8y = –1
\n" ); document.write( " 8x – 4y = –7
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Algebra.Com's Answer #31029 by checkley71(8403)\"\" \"About 
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4x+8y=-1
\n" ); document.write( "16x-8y=-14
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\n" ); document.write( "20x=-15 or x=-15/20 or x=-3/4\r
\n" ); document.write( "\n" ); document.write( "4(-3/4)+8y=-1 or -3+8y=-1 or 8y=2 or y=1/4
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