SOLUTION: Solve the following compound inequalities. Graph the solution set. 1. -5<7-2x<15 ***i got totally lost trying to do this homework problem. please help me!!!!***

Algebra ->  Algebra  -> Inequalities -> SOLUTION: Solve the following compound inequalities. Graph the solution set. 1. -5<7-2x<15 ***i got totally lost trying to do this homework problem. please help me!!!!***      Log On

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Question 231838: Solve the following compound inequalities. Graph the solution set.
1. -5<7-2x<15



***i got totally lost trying to do this homework problem. please help me!!!!***
Answer by solver91311(12126) About Me  (Show Source):
You can put this solution on YOUR website!



Add -7





Multiply by remembering to switch the sense of the inequality because of multiplying by a negative.






Draw a number line. Put a little circle at -4. Put a little circle at 6. Make a fat line that connects the two little circles.

drawing%28%0D%0A500%2C+100%2C+-5%2C+5%2C+-5%2C+5%2C%0D%0Anumber_line%28400%2C-10%2C10%2C-4%2C6%29%0D%0A%29

Make sure your little circles are open circles -- not filled in like the picture.

John