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1 vote
-21+7u=28 solve for u

User RickNZ
by
8.1k points

2 Answers

1 vote

Answer:U=7

Explanation:

User GuyBehindtheGuy
by
8.3k points
2 votes

Answer:

u = 7

Explanation:

-21 + 7u = 28

add 28 to both sides

7u = 49

divide by 7

u = 7

User Ion Stoica
by
8.0k points