document.write( "Question 90563: The question I have for homework and I am stuck is:\r
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document.write( "Solve the following system of equations:\r
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document.write( "5X + 8Y =1 and 3X - Y = -8\r
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document.write( "Does anyone have the solution?\r
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document.write( "Thanks much!!!! \n" );
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Algebra.Com's Answer #65751 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 3X-Y=-8 NOW MULTIPLY THIS EQUATION BY 8 AND ADD TO THE OTHER EQUATION: \n" ); document.write( "24X-8Y=-64 \n" ); document.write( "5X+8Y=1 \n" ); document.write( "===================================== \n" ); document.write( "29X=-63 \n" ); document.write( "X=-63/29 ANSWER \n" ); document.write( "3(-63/29)-Y=-8 \n" ); document.write( "-189/29-Y=-8 \n" ); document.write( "-Y=189/29-8 \n" ); document.write( "-Y=(189-8*29)/29 \n" ); document.write( "-Y=(189-232)/29 \n" ); document.write( "-Y=-43/29 \n" ); document.write( "Y=43/29 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "3(-63/29)-(43/29)=-8 \n" ); document.write( "-189/29-43/29=-8 \n" ); document.write( "-232/29=-8 \n" ); document.write( "-8=-8 \n" ); document.write( " |