20-11-2020
Mathematics

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Someone help!
(3x7)-(3x2) = 3 x (?-?)

Respuesta :

amanzana671 amanzana671

20-11-2020

Answer:

5

Step-by-step explanation:

21 - 6 = 3x

15 = 3x

divide both sides by 3

15/3 = 3x/3

5 = x

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