document.write( "Question 631279: elimination method
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document.write( "a+6b=1
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document.write( "a+2b=-3 \n" );
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Algebra.Com's Answer #397474 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 1 a + 6 b = 1 .............1 \n" ); document.write( " \n" ); document.write( "1 a + 2 b = -3 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 1 \n" ); document.write( "Multiply (2) by -3 \n" ); document.write( "1 a 6 b = 1 \n" ); document.write( "-3 a -6 b = 9 \n" ); document.write( "Add the two equations \n" ); document.write( "-2 a = 10 \n" ); document.write( "/ -2 \n" ); document.write( "a = -5 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "1 a + 6 b = 1 \n" ); document.write( "-5 + 6 b = 1 \n" ); document.write( " 6 b = 1 + 5 \n" ); document.write( " 6 b = 6 \n" ); document.write( " b = 1 \n" ); document.write( "a=-5,b=1 \n" ); document.write( " \n" ); document.write( " |