3 years ago

How are adding and subtracting rational expressions different from multiplying

1 answer:

3 0

Answer:

If the two rational expressions that you want to add or subtract have the same denominator you just add/subtract the numerators which each other. When the denominators are not the same in all expressions that you want to add or subtract as in the example below you have to find a common denominator.

Step-by-step explanation:

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Answer:

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x+13-13=25-13

x = 12

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