-1(5x+1)
-5x-1
the (-) in front is just a short way to put (-1)
Answer:
i don't think 3 works for x because the only solution for x was 8
Step-by-step explanation:
20 total marbles....7 are green
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190