document.write( "Question 686736: elimination using addition and subtraction, 5x+2y=7, and -2x+2y=-14 \n" ); document.write( "
Algebra.Com's Answer #424884 by Alan3354(69443)\"\" \"About 
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elimination using addition and subtraction, 5x+2y=7, and -2x+2y=-14
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\n" ); document.write( "5x+ 2y =7
\n" ); document.write( "-2x+2y=-14
\n" ); document.write( "------------- Subtract
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