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23.06.2019 •
Mathematics
Simplify into one fraction. -1/x-9 - -2/x+7 a. 1/(x-9)(x+7) b. -3/(x-9)(x+7) c. x-25/(x-9)(x+7) d. -3x+11/(x-9)(x+7)
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Ответ:
Ответ:
your answer would be 149
Step-by-step explanation: if you add 203 to 337 you get 540 and if you take that and subtract it from 689 you get 149, so 149 is your answer.
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