SOLUTION: I"m trying to help my son, but I can't I don't know how to do it myself solve and graph the inequalities 6x+9>_21 or 9x-5<

SOLUTION: I"m trying to help my son, but I can't I don't know how to do it myself solve and graph the inequalities 6x+9>_21 or 9x-5<_4

Question 342488: I"m trying to help my son, but I can't I don't know how to do it myself
solve and graph the inequalities
6x+9>_21 or 9x-5<_4
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Not sure what the lower - in front of the 21 and 4 is. But let's say it is an equal sign (as opposed to a negative)
subtract 9 from both sides
divide both sides by 6

Here is a plot
http://www.wolframalpha.com/input/?i=6x%2B9+%3E+21
Same idea for the other one

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