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3: Solving Equations and Formulas
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3.1: Addition, Subtraction, Multiplication, and Division Properties of Equality
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The addition, subtraction, multiplication, and division properties of equality allow us to add, subtract, multiply, or divide the same value on both sides of an equation, this guarantees the equation remains true (note, we cannot divide by zero).
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3.2: Solving a Formula for a Variable (Rewriting a Formula)
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We use the Addition, Subtraction, Multiplication, and Division Properties of Equality to solve equations for a specified variable or unknown.
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3.3: Solving Quadratic Equations of the Form- (x-a)²=c
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We use the Addition, Subtraction, Multiplication, and Division Properties of Equality to solve equations for a specified variable or unknown.