Solving a Formula For a Variable

This algebra video tutorial explains how to solve a formula for a variable.  Examples include the area of a trapezoid formula, ohm's law with voltage current and resistance.  The equivalent resistance of two resistors in a parallel circuit.  The geometric mean formula of two numbers.  The time it takes for two people to complete a job working together formula.  The area of a circle formula.  The volume of a sphere formula.  The electromotive force of a battery along with internal resistance.  This video contains plenty of examples and practice problems on solving a formula for a specified variable.

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