SOLUTION: Slove using the addition and multiplication principles. 10-6y-4y<80

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Question 290508: Slove using the addition and multiplication principles. 10-6y-4y<80
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
It has been a couple weeks since I have "slove"d any problems.
How does this problem related to quadratic equation category?
combine -4y and -6y to get -10y
subtract 10 from both sides.
divide by 10
change all signs from
plus to minus
minus to plus and < to >
because we just multiplied by -1