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N76 [4]
3 years ago
5

-21+7u=28 solve for u

Mathematics
2 answers:
ch4aika [34]3 years ago
5 0

Answer:

u = 7

Step-by-step explanation:

-21 + 7u = 28

add 28 to both sides

7u = 49

divide by 7

u = 7

horrorfan [7]3 years ago
5 0

Answer:U=7

Step-by-step explanation:

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