Question

P= a+b+c. Solve for b

Answer 1

We are given

$P=a+b+c$

We are to solve for b

This simply means we are to make b the subject

Hence we have

$\begin{gathered} P-a-c=b \\ b=P-a-c \end{gathered}$

Therefore, the solution is

$b=P-a-c$