What do you do first 3x + -4 = -19

Step-by-step explanation:

3x + -4 = -19

3x -4 = -19

3x = -19 + 4

3x = -15

x = -5

Step-by-step explanation:

3x -4 = -19

3x = -19+4

3x = -15

x = -15/3

x = -5

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Complete Question

The complete question is shown on the first uploaded image

The probability is  

Step-by-step explanation:

From the question we are told that

     The number of packed cars is  

The probability that the randomly selected car which  has a sunroof , will also have four door is mathematically represented below according to Baye's Rule

So from the diagram

and    

        So