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Tìm x biết x/7=6/-21
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2 votes
Tìm x biết
x/7=6/-21

User GuRAm
by
3.5k points

1 Answer

4 votes

Answer:

x = - 2

Explanation:

Given


(x)/(7) =
(6)/(-21) ( cross- multiply )

- 21x = 42 ( divide both sides by - 21 )

x = - 2

User Travis Bear
by
3.4k points
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