document.write( "Question 739876: I need to find the answer to and show the steps of these two equations but I have no clue what to do or where to start.It's part of a project which is a big portion of my grade, any help would be great.\r
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document.write( "The equations are:\r
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document.write( "133(b)+6(c)=1000\r
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document.write( "2.07(b)+0.2(c)=8
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Algebra.Com's Answer #451372 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! 133(b)+6(c)=1000 \n" ); document.write( "2.07(b)+0.2(c)=8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "133b+6c=1000 \n" ); document.write( "2.07b+0.2c=8\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve equation 1 for 'c'\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "133b+6c=1000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6c=1000-133b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c=(1000-133b)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug this into the second equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.07b+0.2c=8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.07b+0.2( (1000-133b)/6 )=8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.07b+(0.2*1000-0.2*133b)/6=8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.07b+(200-26.6b)/6=8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6*2.07b+6*(200-26.6b)/6=6*8 ... Multiply EVERY term by the LCD 6 to clear out fractions\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "12.42b + 200 - 26.6b = 48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-14.18b + 200 = 48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-14.18b = 48 - 200\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-14.18b = -152\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b = -152/(-14.18)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b = 10.71932299 (this is approximate)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = (1000-133b)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = (1000-133*10.71932299)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = (1000-1425.66995767)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = -425.66995767/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = -70.944992945 (this is approximate too)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the approximate solutions are\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b = 10.71932299 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c = -70.944992945 \n" ); document.write( " \n" ); document.write( " |