SOLUTION: please help with the problem below. We are trying to figure out if the 12 and 21 are added first and then the sum is subtracted from 3s or if it should be -12+21 first and add

Algebra ->  Inequalities -> SOLUTION: please help with the problem below. We are trying to figure out if the 12 and 21 are added first and then the sum is subtracted from 3s or if it should be -12+21 first and add       Log On


   

Question 264740: please help with the problem below. We are trying to figure out if the 12 and 21 are added first and then the sum is subtracted from 3s or if it should be -12+21 first and add it to 3s
3s-12+21<27 3s-12+21<27
3s+9<27 3s-33<27
3s<18 3s<-6
s<6 or s<-2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

3s-12%2B21%3C27 Start with the given inequality.


3s%2B9%3C27 Combine like terms on the left side.


3s%3C27-9 Subtract 9 from both sides.


3s%3C18 Combine like terms on the right side.


s%3C%2818%29%2F%283%29 Divide both sides by 3 to isolate s.


s%3C6 Reduce.


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Answer:

So the solution is s%3C6