SOLUTION: The sum of 3 times a number and 4 is between -8 and 10

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Question 552668: The sum of 3 times a number and 4 is between -8 and 10
Answer by fcabanski(1391)   (Show Source): You can put this solution on YOUR website!
Call the number x.


Three times the number is 3x.


The sum of 3x (three times the number) and 4 is 3x+4.


Is between -8 and 10 is -8 < 3x+4 < 10.


Solve both inequalities.


3x+4>-8
3x>-12
x>-4


3x+4<10
3x<6
x<2.


The solution is -4 < x < 2

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