document.write( "Question 680378: Solve the system by the elimination method.\r
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document.write( "2a + 3b = 6\r
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document.write( "5a + 2b - 4 = 0 \r
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document.write( "I still don't understand it. Thank you! \n" );
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Algebra.Com's Answer #422305 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system by the elimination method. \n" ); document.write( "2a + 3b = 6 \n" ); document.write( "5a + 2b - 4 = 0 \n" ); document.write( "------ \n" ); document.write( "multiply thru the top equation by 2 \n" ); document.write( "Multiply thru the bottom equation by 3 \n" ); document.write( "-------------------------------------- \n" ); document.write( "4a + 6b = 12 \n" ); document.write( "15a+ 6b = 12 \n" ); document.write( "--------------- \n" ); document.write( "Subtract and solve for \"a\": \n" ); document.write( "11a = 0 \n" ); document.write( "a = 0 \n" ); document.write( "--------- \n" ); document.write( "Solve for \"b\" using 2a + 3b = 6 \n" ); document.write( "2*0 + 3b = 6 \n" ); document.write( "b = 2 \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |