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10a >2 + 40a

Guest Mar 13, 2017
 #2
avatar+7085 
+6

10a > 2 + 40a

 

Subtract 40a from both sides.

10a - 40a > 2

-30a > 2

 

Divide both sides by -30. (Don't forget to flip the sign!)

a < 2/-30

a < -1/15

hectictar  Mar 13, 2017

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