How do you simplify #-2/(7r)+4/t#?
Taking LCM
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Simplify.
Determine the least common denominator by multplying the denominators:
Simplify.
Combine the numerators.
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To simplify the expression -2/(7r) + 4/t, you need to find a common denominator. The common denominator is 7rt. Multiply the first term by t/t and the second term by 7r/7r. This gives you -2t/(7rt) + 28r/(7rt). Combine the terms by adding the numerators: (-2t + 28r)/(7rt). This is the simplified form of the expression.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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