document.write( "Question 295209: I am struggling with some of these problems please help\r
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document.write( "Solve each system by substitution:\r
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document.write( "(b) y = 13x + 14
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document.write( " x = y - 1\r
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document.write( "John \n" );
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Algebra.Com's Answer #212777 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! john, some website rules \n" ); document.write( "one problem at a time \n" ); document.write( "no similar problems \n" ); document.write( "limit 4 problems a day\r \n" ); document.write( "\n" ); document.write( "(b) y = 13x + 14 \n" ); document.write( " x = y - 1 \n" ); document.write( "plug in y-1 for x in the first equation to get \n" ); document.write( "y=13*(y-1)+14 \n" ); document.write( "y=13y-13+14 \n" ); document.write( "y=13y+1 \n" ); document.write( "-12y=1 \n" ); document.write( "y=-1/12 \n" ); document.write( "x=y-1 \n" ); document.write( "x=-1/12-1 \n" ); document.write( "x=-13/12 \n" ); document.write( " \n" ); document.write( " |