karinegodbeyp6be32 karinegodbeyp6be32

14-04-2020
Mathematics

contestada

3x = 21, then x = ? please help i dont really understand and te answer choices are 7, 18, 6

Respuesta :

kortneypadgett kortneypadgett

14-04-2020

Answer:7

Step-by-step explanation:

Because 3x7=21.

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solarjin solarjin

14-04-2020

if 3x = 21 all you have to do is divide both sides of the equation by 3

3x = 21

3x divided by 3 is x, and 21 divided by 3 is 7

so then you get x = 7

Answer Link

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