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23-10-2020
Mathematics

contestada

(question 2) will mark brainliest and 30 points

question 2 will mark brainliest and 30 points class=

Respuesta :

25-10-2020

Answer:

4

Step-by-step explanation:

4x + 15 = x - 3

4x - x = 3 - 15

3x = 12

x = 12 : 3

x = 4

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