hophat312007 hophat312007

27-07-2021
Mathematics

contestada

tìm x biết
x/7=6/-21

Respuesta :

jimrgrant1 jimrgrant1

27-07-2021

Answer:

x = - 2

Step-by-step explanation:

Given

[tex]\frac{x}{7}[/tex] = [tex]\frac{6}{-21}[/tex] ( cross- multiply )

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

x = - 2

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