document.write( "Question 252159: Hi I was wondering if someone could help me solve these 3 simultaneous equations with 3 unknown variables. \r
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document.write( "0.2857A - 0.0306B - 0.2857C = 0
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document.write( "-0.4286A - 0.2857B + 0.4286C = 0
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document.write( "-0.8571A - 0.8571B - 0.8571C + 1962 = 0 \r
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document.write( "Thanks in advance. \n" );
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Algebra.Com's Answer #183941 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 0.2857A - 0.0306B - 0.2857C = 0 \n" ); document.write( "0.2857A=+ 0.0306B +0.2857C \n" ); document.write( "A=0.0306B/0.2857 +C \n" ); document.write( "A = 0.107105 B+C \n" ); document.write( "-0.4286A - 0.2857B + 0.4286C = 0 \n" ); document.write( ".4286/0.2857(C-A) = B \n" ); document.write( "1.50018 (C-A) = B \n" ); document.write( "1.50018 (C-(0.107105 B+C)) = B \n" ); document.write( "-0.160677B = B \n" ); document.write( "B must be equal to 0 \n" ); document.write( "A=0.0306B/0.2857 +C \n" ); document.write( "A=C \n" ); document.write( "Remove B and substitute A for C \n" ); document.write( "-0.8571A - 0.8571B - 0.8571C + 1962 = 0 \n" ); document.write( "-0.8571A - 0.8571A + 1962 = 0 \n" ); document.write( "A=1144.56 \n" ); document.write( "B=0 \n" ); document.write( "C=1144.56 \n" ); document.write( " |