Tìm x biết x/7=6/-21

Tung asked Apr 3, 2022

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8 votes

Tìm x biết
x/7=6/-21

Tung asked Apr 3, 2022

by Tung

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10 votes

Answer:

x = - 2

Explanation:

Given

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

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

x = - 2

Ramtech answered Apr 9, 2022

3.0k points

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