Solve for r a=p+prt

Problem

a=p+p*r*t

Solution

1. Identify the term containing the variable r which is p*r*t

2. Isolate the term p*r*t by subtracting p from both sides of the equation.

a−p=p*r*t

3. Divide both sides of the equation by the coefficients of r which are p and t to solve for r

(a−p)/(p*t)=r

4. Rearrange the equation to place r on the left side.

r=(a−p)/(p*t)

Final Answer

r=(a−p)/(p*t)

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