if you're at or under 50 cs at 10 minutes
that's probably why you're stuck in bronze. a good player needs to have a strong foundation, which is good farming skills.
if you really want to climb, work on farming well. can't tell you how easy it got to climb out of bronze when i started getting 60-70 cs by 10 minutes while they were at 40-50. 15 cs is the equivalent of one kill in gold.
now, i'm not saying it's going to be easy. bronzes put too much stock into the harass early over farming strategy, but once you figure out their movements(because lets face it bronze players are extremely predictable for the most part) you won't have any trouble outfarming them, and eventually getting fed off of them.
the difference between a bronze and a silver isn't that much. it's mostly about your farm, and your decision making on when to fight and when not to.
yes, you will get bad teammates that feed the game away, but if you keep up with the good habit of farming well, and choosing your fights, eventually you'll start winning enough games to get out of bronze.
, whose mere existence just lowers the opponent's cs for obvious reasons.
in other words, CS difference may be a false gap in gold.