document.write( "Question 295137: Solve the following system by the substitution method.
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document.write( "x+3y=2
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document.write( "-x+y=1 \n" );
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Algebra.Com's Answer #212746 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x+3y=2 \n" ); document.write( "-x+y=1 \n" ); document.write( ". \n" ); document.write( "y=x+1 \n" ); document.write( "x+3(x+1)=2 substitute x+1 for y \n" ); document.write( "x+3x+3=2 \n" ); document.write( "4x=-1 \n" ); document.write( "x=-1/4 \n" ); document.write( "y=3/4 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |