document.write( "Question 1051407: Solve system by elimination \r
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document.write( "-6c= 30
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document.write( "3b+2c=-7
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document.write( "b=a-3c-18 \n" );
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Algebra.Com's Answer #666965 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve system by elimination \r \n" ); document.write( "\n" ); document.write( "-6c= 30 --> c = -5 \n" ); document.write( "3b+2c=-7 \n" ); document.write( "b=a-3c-18 \n" ); document.write( "------- \n" ); document.write( "Step 1, sub -5 for c. \n" ); document.write( "Solve for b in the 2nd equation. \n" ); document.write( "Then solve for a. \n" ); document.write( "---\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |