Respuesta :

johas0711

Answer:

2x + 22

Step-by-step explanation:

3x + 10 - x + 12

3x - x = 2x

10 + 12 = 22

2x + 22

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aayu0302

Answer:

2x + 22

Step-by-step explanation:

3x + 10 - x + 12

=> 3x - x + 10 + 12

=> 2x + 22