document.write( "Question 874120: solve by the elimination method, what is the ordered pair?
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document.write( "3a+2b=-25
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document.write( "-3a+b=28 \n" );
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Algebra.Com's Answer #527317 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint: add the equations to get\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3a+2b=-25 \n" ); document.write( "-3a+b=28 \n" ); document.write( "----------- \n" ); document.write( "0a+3b = 3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So 3b = 3 which means b = 1 (divide both sides by 3)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use b = 1 to find the value of 'a'. \n" ); document.write( " |