document.write( "Question 1203797: Solve the given inequalities and write the solution set using interval notation. -9<2x+7≤19 \n" ); document.write( "
Algebra.Com's Answer #839653 by ikleyn(52798)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Solve the given inequality and write the solution set using interval notation. -9 < 2x+7 ≤ 19 \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "You are given a compound inequality\r\n" ); document.write( "\r\n" ); document.write( " -9 < 2x+7 ≤ 19.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Subtract 7 from all 3 parts of this compound inequality. You will get an equivalent compound inequality\r\n" ); document.write( "\r\n" ); document.write( " -9 - 7 < 2x <= 19 - 7,\r\n" ); document.write( "\r\n" ); document.write( "or\r\n" ); document.write( "\r\n" ); document.write( " -16 < 2x <= 12.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Now divide by 2 all 3 parts the last compound inequality. You will get an equivalent compound inequality\r\n" ); document.write( "\r\n" ); document.write( " -8 < x < = 6.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It is your answer: The solution to the original inequality is the interval (-8,6] of the number line.\r\n" ); document.write( "\r\n" ); document.write( "Left endpoint is not included, while right endpoint is included to the solution set.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |