document.write( "Question 552835: Solve the system using substitution.\r
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document.write( "y = 3x - 6
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document.write( "-3x + y = -6 \n" );
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Algebra.Com's Answer #360537 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve the system using substitution.\r \n" ); document.write( "\n" ); document.write( "y = 3x - 6 \n" ); document.write( "-3x + y = -6 \n" ); document.write( "----- \n" ); document.write( "Sub for y in the 2nd eqn: \n" ); document.write( "-3x + (3x-6) = -6 \n" ); document.write( "-6 = -6 \n" ); document.write( "-------- \n" ); document.write( "--> Dependent. The 2 eqns are the same, no unique solution. \n" ); document.write( " \n" ); document.write( " |