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fredd [130]
3 years ago
9

What should be added to 9x to get 15x ?with formal​

Mathematics
2 answers:
Elenna [48]3 years ago
5 0

Answer:

6x.

Step-by-step explanation:

15x - 9x = 6x.

lesya692 [45]3 years ago
4 0

Answer:

15x-9x=6x

please mark me as brainliest

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