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lakkis [162]
3 years ago
6

Fill in the blank: _?__(x+3)=7x+21

Mathematics
2 answers:
posledela3 years ago
7 0

Answer:

The fill-in-the-blank is 7.

Step-by-step explanation:

By factoring out the greatest common factor, 7, you will get 7(x + 3).

7(x + 3) = 7x + 21

Delvig [45]3 years ago
5 0

Answer:

7

Step-by-step explanation:

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