document.write( "Question 466224: Solve by substitution
\n" ); document.write( "8m-n+70
\n" ); document.write( "m-2n=13
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Algebra.Com's Answer #319557 by Love math(28)\"\" \"About 
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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
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