In algebra, letters are used to stand ... An equation states that two expressions are equal in value, for example \(4b − 2 = 6\). An identity is a statement that is true no matter what values ...
In algebra, letters are used to stand ... An equation states that two expressions are equal in value, for example \(4b − 2 = 6\). Pens are sold in packs of 6 and rulers are sold in boxes of ...
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