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10-09-2021
Mathematics

contestada

3(x - 4) + 9 = 18

Step by step (and explanation)

Respuesta :

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10-09-2021

Answer:

= 7

Step-by-step explanation:

3(x−4)+9=18

3 − 1 2 + 9 = 1 8

3 − 3 = 1 8

3 = 1 8+3

3 = 21

x= 21/3

x=7

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