The answer is b=P-a-(n+1) all you had to do was the a and the parenthesis from the b and put it on the other side
substitute
in the equation:

Is it 2x +7= -3? If so the answer is -5
Answer:
Statistical inference is the process of using data analysis to deduce properties of an underlying probability distribution. Inferential statistical analysis infers properties of a population, for example by testing hypotheses and deriving estimates.
-1 - -1.
-1 + 1.
0.
The answer is 0.