document.write( "Question 326195: A line contains (-3,5) and (x,9). If the slope is 2, find x. \n" ); document.write( "
Algebra.Com's Answer #233487 by nyc_function(2741) You can put this solution on YOUR website! Let m = slope = 2\r \n" ); document.write( "\n" ); document.write( "m = (difference of y coordinates)/(difference of x coordinates)\r \n" ); document.write( "\n" ); document.write( "2 = (9 - 5)/(x - (-3))\r \n" ); document.write( "\n" ); document.write( "2 = 4/(x + 3)\r \n" ); document.write( "\n" ); document.write( "2(x + 3) = 4\r \n" ); document.write( "\n" ); document.write( "2x + 3 = 4\r \n" ); document.write( "\n" ); document.write( "2x = 4 - 3\r \n" ); document.write( "\n" ); document.write( "2x = 1\r \n" ); document.write( "\n" ); document.write( "x = 1/2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |