document.write( "Question 101864: Solve for linear equations\r
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document.write( " 3x+5=10-x
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Algebra.Com's Answer #74077 by Kalmetam(43)![]() ![]() ![]() You can put this solution on YOUR website! Lets look at this one closely...\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x\r \n" ); document.write( "\n" ); document.write( "Obviously, the value of \"x\" must be found out another way..\r \n" ); document.write( "\n" ); document.write( "So you have to try out some numbers..\r \n" ); document.write( "\n" ); document.write( "Attempt 1:\r \n" ); document.write( "\n" ); document.write( "x=5\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x \n" ); document.write( "15+5=10-x\r \n" ); document.write( "\n" ); document.write( "Ok we already see that that is totally wrong.. lets try lower\r \n" ); document.write( "\n" ); document.write( "Attempt 2:\r \n" ); document.write( "\n" ); document.write( "x=2\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x \n" ); document.write( "6+5-10-x\r \n" ); document.write( "\n" ); document.write( "This is STILL not correct.. the only whole number left is 1..\r \n" ); document.write( "\n" ); document.write( "Attempt 3:\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x \n" ); document.write( "3+5=10-1\r \n" ); document.write( "\n" ); document.write( "Now this is too high so lets go between 1 and 2.. we know it's in that range so lets try 1.5\r \n" ); document.write( "\n" ); document.write( "Attempt 4:\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x \n" ); document.write( "4.5+5=10-x \n" ); document.write( "9.5=10-1.5\r \n" ); document.write( "\n" ); document.write( "That is still not it, so this is too high.. lets go between 1 and 1.5 which is 1.25\r \n" ); document.write( "\n" ); document.write( "Attempt 5:\r \n" ); document.write( "\n" ); document.write( "3x+5=10-x \n" ); document.write( "3.75+5=10-x \n" ); document.write( "8.75=10-1.25 \n" ); document.write( "8.75=8.75\r \n" ); document.write( "\n" ); document.write( "It looks like we found the answer! x= 1.25\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |