Q. Simplify. Express your answer as a single fraction in simplest form. 21−2yz
Identify common denominator: Identify the common denominator for the fractions. In this case, both fractions already have the same denominator, which is 2.
Subtract numerators: Since the denominators are the same, subtract the numerators. This gives us (1−yz)/2.
No further simplification: There is no further simplification possible for the numerator, as 1 and yz are not like terms. Therefore, the expression is already in its simplest form.
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