document.write( "Question 1124511: how many solution does the equation a|x+b|+c=d have if a < 0 and c = d? If a < 0, d > 0 and c < d ? Explain \n" ); document.write( "
Algebra.Com's Answer #740857 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "how many solution does the equation a|x+b|+c=d have if a < 0 and c = d? If a < 0, d > 0 and c < d ? Explain \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(a) How many solution does the equation a|x+b|+c=d have if a < 0 and c = d ?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "An equation\r\n" ); document.write( "\r\n" ); document.write( " a|x+b| + c = d \r\n" ); document.write( "\r\n" ); document.write( "is equivalent to\r\n" ); document.write( "\r\n" ); document.write( " a|x+b| = d - c.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "If c = d, then this equation becomes\r\n" ); document.write( "\r\n" ); document.write( " a|x+b| = 0.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "If a =/= 0 (as it is given in our case), then the last equation implies\r\n" ); document.write( "\r\n" ); document.write( " |x+b| = 0,\r\n" ); document.write( "\r\n" ); document.write( "which has one and only one unique solution x= -b.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. In this case the original equation has a unique solution.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(b) How many solution does the equation a|x+b|+c=d have if a < 0, d > 0 and c < d ?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "An equation\r\n" ); document.write( "\r\n" ); document.write( " a|x+b| + c = d \r\n" ); document.write( "\r\n" ); document.write( "is equivalent to\r\n" ); document.write( "\r\n" ); document.write( " a|x+b| = d - c. (*)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "If c < d, then the right side of the last equation is positive, while its left side is negative.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the equality (*) is not possible.\r\n" ); document.write( "\r\n" ); document.write( "Or, in other words, the equation (*) has no solutions.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. Under the given condition, the given equation has no solution.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |