SOLUTION: Can you help me solve the problem 2-6y-9y < 92 using the addition and multiplication principles?

Algebra ->  Graphs -> SOLUTION: Can you help me solve the problem 2-6y-9y < 92 using the addition and multiplication principles?      Log On


   

Question 269580: Can you help me solve the problem 2-6y-9y < 92 using the addition and multiplication principles?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2-6y-9y < 92
-15Y<92-2
-15Y<90
Y>90/-15 [NOTE: THE SIGN CHANGES WHEN DIVIDING BY A NEGATIVE VALUE.]
Y>-6 ANS.
PROOF:
LET Y=-5.9
2-6*-5.9-9*-5.9<92
2+35.4+53.1<92
90.5<92