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In algebra, letters are used to stand for values that can change (variables ... An equation states that two expressions are equal in value, for example \(4b − 2 = 6\). An identity is a statement ...
In algebra, letters are used to stand for values that can change (variables ... An equation states that two expressions are equal in value, for example \(4b − 2 = 6\). An identity is a statement ...
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