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11-01-2021
Mathematics

contestada

x divided by 7 = 3; 20, 21 , 22

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Respuesta :

11-01-2021

Answer:

[tex]\huge\boxed{x=21}[/tex]

Step-by-step explanation:

[tex]x:7=3\\\\\dfrac{x}{7}=3\qquad|\text{multiply both sides by 7}\\\\7\!\!\!\!\diagup\cdot\dfrac{x}{7\!\!\!\!\diagup}=7\cdot3\\\\x=21[/tex]

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