document.write( "Question 218405: Substitution method
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document.write( "y=-3x+13
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document.write( "2x+9y=-8 \n" );
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Algebra.Com's Answer #164505 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! 2x+9y=-8 \n" ); document.write( "2x+9(-3x+13)=-8 \n" ); document.write( "2x-27x+117=-8 \n" ); document.write( "-25x=-125 \n" ); document.write( "x=5 \n" ); document.write( "y=-3x+13 \n" ); document.write( "y=-3(5)+13 \n" ); document.write( "y=-2 \n" ); document.write( "(5,-2) \n" ); document.write( " |