Ответы на вопрос:
9x-7i>3(3x-7u)
9x-7i>9x-21u Distribute
-9x -9x Minus -9x from both sides
-7i>-21u
-7i/-7>-21u/-7 divide by -7 and flip the sign since you're dividing by a
negative
Answer: i<3u
Source(s):
High School Math.
4 years ago
27см
Пошаговое объяснение:
Pпрямоугольника= (42+14)*2=108
Pвадрата= 4a
4a=108
a=27
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