1 answer
(click or scroll down)
first round:
x --> 3x --- >3x-2
2nd round:
3x-2 ---> 9x-6 ---> 9x-8
3rd round:
9x-8 ---> 27x - 24 ---> 27x - 26
27x - 26 = 271
27x = 297
x = 11