The Subtraction Property of Equality states that if two expressions are equal, you can subtract the same number (or quantity) from both sides of the equation, and the resulting expressions will still be equal. In mathematical terms, if \( a = b \), then \( a - c = b - c \) for any number \( c \). This property is fundamental in algebra and is often used to isolate variables in equations.
definition of subtraction property of equality
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