Iam stuck on this question! will give brainliest for the first ! allot of !

miracle solved the following equation:

3 + 2x + 7 = –3x – 9

step
work
justification

1
2x + 3 + 7 = –3x – 9
associative property of addition

2
2x + 10 = –3x – 9
combine like terms

3
5x + 10 = –9
addition property of equality

4
5x = –19
subtraction property of equality

5
x = –3.8
division property of equality

which step has an incorrect justification?

step 4

step 3

step 2

step 1

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.