SOLUTION: A student solves the compound inequality 15 is less than or equal to 2x+5 is less than or equal to 17 and finds the solutions of the compound inequality to be all real numbers. Exp

Algebra ->  Graphs -> SOLUTION: A student solves the compound inequality 15 is less than or equal to 2x+5 is less than or equal to 17 and finds the solutions of the compound inequality to be all real numbers. Exp      Log On


   

Question 989539: A student solves the compound inequality 15 is less than or equal to 2x+5 is less than or equal to 17 and finds the solutions of the compound inequality to be all real numbers. Explain and correct the the student's mistake. Graph the actual solutions to back up your answer.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
15%3C=2x%2B5%3C=17

Add -5 to all three members;
Multiply all three members by 1%2F2.
The result upon simplification is the answer, solution for what is x.