Hey!
Let's write the problem.

Add like terms...

Add

to both sides.


Divide both sides by

.

Our final answer would be,

Thanks!
-TetraFish
Since it is two negatives you are actually adding so -3 +4 would equal 1
The answer appears to be choice 3 because it resembles an exponential function.
But I might be wrong.
Hope this helps :)
~ Your Cookie Monster
The decimal that is equal to 2/3 is...
0.66666666666
Hope this helps