In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...
Adding and subtracting algebraic fractions is a similar process to adding and subtracting normal fractions. The denominators of each fraction are different, \(3t\) and \(7t\), so a common denominator ...
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