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moongazer
 5 years ago
The solution set of
6 < 5x+7/2 < 11
is?
Please answer clearly and explain the solution clearly and easy to understand. Thanks!
(guaranteed medal for a good answer)
moongazer
 5 years ago
The solution set of 6 < 5x+7/2 < 11 is? Please answer clearly and explain the solution clearly and easy to understand. Thanks! (guaranteed medal for a good answer)

This Question is Closed

slaaibak
 5 years ago
Best ResponseYou've already chosen the best response.1subtract 7/2: 6 3.5 < 5x + 3.5  3.5 < 11  3.5 2.5< 5x < 7.5 divide by 5: 2.5/5 < 5x/5 < 7.5/5 1/2 < x < 3/2

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0i think the answer is (1,3) but i don't know why

slaaibak
 5 years ago
Best ResponseYou've already chosen the best response.1No, it's not. I can guarantee you it's 1/2 < x < 3/2

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0the choices are a. (1,3) b. (1,3) c. (1,3) d. no solution set what is the answer?

slaaibak
 5 years ago
Best ResponseYou've already chosen the best response.1and you're sure the question is 6 < 5x+7/2 < 11 ?

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0yup. i already have the solution but i can't understand what i wrote

slaaibak
 5 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=6+%3C+5x%2B7%2F2+%3C+11+

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0it is wrong it should be 5x+7 over 2 the 2 is the denominator of 5x+7

slaaibak
 5 years ago
Best ResponseYou've already chosen the best response.1oh, then people should use brackets... if it's 6<(5x+7)/2<11 multiply by 2: 12 < 5x+7 < 22 subtract 7: 5 <5x < 15 divide by 5: 1 < x < 3

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0so the answer is (1,3)?
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