document.write( "Question 466224: Solve by substitution
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document.write( "8m-n+70
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document.write( "m-2n=13 \n" );
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Algebra.Com's Answer #319557 by Love math(28)![]() ![]() ![]() You can put this solution on YOUR website! 8m-n+70....time(-2) you get:.....-16m+2n=140 \n" ); document.write( "m-2n=13............................m-2n =13 \n" ); document.write( "..........................Add------------------ \n" ); document.write( ".....................................-15m=153 \n" ); document.write( ".......................................m= 153/-15 \n" ); document.write( "........................................m = -51/5 \n" ); document.write( "restitution m = 51/5 , find n\r \n" ); document.write( "\n" ); document.write( "51/5-2n=13 \n" ); document.write( "....-2n=13-(-51/5) \n" ); document.write( "......n=(116/5)/-2 \n" ); document.write( "......n=-58/5 \n" ); document.write( " \n" ); document.write( " |