document.write( "Question 1093819: The absolute value of the sum of -7 and twice a number is 23 . find the number \n" ); document.write( "
Algebra.Com's Answer #708428 by ikleyn(52946) You can put this solution on YOUR website! . \n" ); document.write( "The absolute value of the sum of -7 and twice a number is 23 . find the number \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "The Math translation of the condition is this equation\r\n" ); document.write( "\r\n" ); document.write( "|-7 +2x| = 23. // Notice it is DIFFERENT from that of @josgarithmetic, which is W R O N G.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "EITHER\r\n" ); document.write( "\r\n" ); document.write( "a) -7 + 2x = 23 ====> 2x = 23+7 = 30 ====> x = 15,\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "OR\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "b) -7 + 2x = -23 ====> 2x = -23 + 7 = -16 ====> x = -8.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. The original equation has two solutions: x = 15 and/or x = -8.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Be aware: the solution and the answer by @josgarithmetic both are W R O N G.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simply ignore it . . . \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |