Respuesta :

Samson2007

Answer:

x = -2

Step-by-step explanation:

3x + 7 = x + 3

=> 3x + 7 - x = 3

=> 2x = 3 - 7 = -4

=> x = -4 ÷ 2 = -2

Answer:

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Step-by-step explanation:

below

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