The first option 12a - 20
It refers to the number of times a number is being multiplied by itself ... Ex: two to the fourth power
4 would be the exponent
All you need to do is divide -1/2 onto the other side.
-1/2x<-12
-12/ (-1/2)= 6 (a negative and a negative equals a positive)
Also, since you are dividing a negative, you flip the sign.
x>6
I hope this helps!
~cupcake
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