83 and 89 are prime numbers between 80 and 90.
A is the Wright way to go I think it I am high off coke
4,000,000 would be your answer
I believe the answer is 644=200+12a
2/(x-4)-1/(x+3)
(2(x+3)-1(x-4))/(x-4)(x+3)
(2x+6-x+4)/(x-4)(x+3)
(x+10)/(x-4)(x+3)
