document.write( "Question 751819: -2(4z+5)>-6-4z \n" ); document.write( "
Algebra.Com's Answer #457413 by lenny460(1073)![]() ![]() You can put this solution on YOUR website! -2(4z+5) > -6-4z\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 * 4z = -8z\r \n" ); document.write( "\n" ); document.write( "-2 * 5 = -10\r \n" ); document.write( "\n" ); document.write( "Therefore:\r \n" ); document.write( "\n" ); document.write( "-8z - 10 > -6 - 4z\r \n" ); document.write( "\n" ); document.write( "Add 10 to each side of the inequality.\r \n" ); document.write( "\n" ); document.write( "-8z - 10 + 10 > -6 - 4z + 10\r \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( "-10 + 10 = 0\r \n" ); document.write( "\n" ); document.write( "-6 + 10 = 4\r \n" ); document.write( "\n" ); document.write( "We now have:\r \n" ); document.write( "\n" ); document.write( "-8z > 4 - 4z\r \n" ); document.write( "\n" ); document.write( "Add 4z to each side of the inequality.\r \n" ); document.write( "\n" ); document.write( "-8z + 4z > 4 - 4z + 4z\r \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( "-8z + 4z = -4z\r \n" ); document.write( "\n" ); document.write( "-4z + 4z = 0\r \n" ); document.write( "\n" ); document.write( "Therefore:\r \n" ); document.write( "\n" ); document.write( "-4z > 4\r \n" ); document.write( "\n" ); document.write( "Divide each side by -4\r \n" ); document.write( "\n" ); document.write( "z < -1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Please note: When you divide an inequality by a negative number you flip (change) the inequality sign.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer:\r \n" ); document.write( "\n" ); document.write( "z < -1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Lennox Obuong \n" ); document.write( "Algebra Tutor \n" ); document.write( "Nairobi, Kenya \n" ); document.write( "Email: obuong3@aol.com\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |