document.write( "Question 126068: solve the system by addition method. if unique solutions doesn't exist, state whether the system is inconsistent or dependent.
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document.write( "12x-15y=-33
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document.write( "-4x+5y=11 \n" );
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Algebra.Com's Answer #92375 by stanbon(75887) ![]() You can put this solution on YOUR website! 12x-15y=-33 \n" ); document.write( "-4x+5y=11 \n" ); document.write( "--------------- \n" ); document.write( "Multiply thru the 2nd equation by -3 and you \n" ); document.write( "will see that the system is dependent. \n" ); document.write( "Multiplying you get: \n" ); document.write( "12x-15y = -33 which is the same as the 1st equation. \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |