document.write( "Question 998257: Solve system of 3 equations:\r
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document.write( "15x-25y+z+10=0
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document.write( "30x-50y+2z+20=0
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document.write( "90x-150y+6z+60=0\r
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document.write( "Can you show steps by steps \n" );
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Algebra.Com's Answer #616092 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve system of 3 equations:\r \n" ); document.write( "\n" ); document.write( "15x-25y+z+10=0 \n" ); document.write( "30x-50y+2z+20=0 \n" ); document.write( "90x-150y+6z+60=0\r \n" ); document.write( "\n" ); document.write( "Can you show steps by steps \n" ); document.write( "================ \n" ); document.write( "The 2nd equation is 2 times the 1st, the 3rd is 6x the 1st \n" ); document.write( "--> dependent, no unique solution. \n" ); document.write( " |