document.write( "Question 221008: solve by using eihter addition or substitution\r
\n" ); document.write( "\n" ); document.write( "8x+11y=-16
\n" ); document.write( "2x+3y=-4
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Algebra.Com's Answer #165809 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
8x+11y=-16
\n" ); document.write( "2x+3y=-4 --> -8x-12y=16
\n" ); document.write( "-8x-12y=16
\n" ); document.write( "8x+11y=-16
\n" ); document.write( "------------ Add
\n" ); document.write( "-y = 0
\n" ); document.write( "-----
\n" ); document.write( "x = -2
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