document.write( "Question 246060: Solve each system by the substitution method\r
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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 #179785 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x + 3y = 2 or x=2-3y \n" ); document.write( "-x + y = 1 replace x by(2-3y) & solve fory. \n" ); document.write( "-(2-3y)+y=1 \n" ); document.write( "-2+3y+y=1 \n" ); document.write( "4y=1+2 \n" ); document.write( "4Y=3 \n" ); document.write( "Y=3/4 ANS. \n" ); document.write( "X+3(3/4)=2 \n" ); document.write( "X=9/4=2 \n" ); document.write( "X=2-9/4 \n" ); document.write( "X=2-2.25 \n" ); document.write( "X=-.25 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "-(-.25)+3/4=1 \n" ); document.write( ".25=.75=1 \n" ); document.write( "1=1 \n" ); document.write( " \n" ); document.write( " |