I=N/P+c, solve for P

I=N/P+c

I-c = N/P
P = N/(I-c)

How much acetic acid is in x gallons of a solution that is 26% acetic acid?

To solve for P in the equation I = N/P + c, we need to isolate the variable P.

Step 1: Start by subtracting c from both sides of the equation to remove it from the right side:
I - c = N/P

Step 2: Multiply both sides of the equation by P to get rid of the fraction:
P(I - c) = N

Step 3: Distribute P to the terms on the left side:
PI - Pc = N

Step 4: Move the term containing P to the right side by adding Pc to both sides:
PI = N + Pc

Step 5: Divide both sides of the equation by I to solve for P:
P = (N + Pc)/I

Therefore, the solution for P is (N + Pc)/I.