1. sumamos x+x= 2x
2. simplificamos 3(x+2)= 3x +6
3. sumamos 3x+ 2x= 5x
4. a 5x +6, le restamos 5x = 6
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Respuesta: 6
1. sumamos x+x= 2x
2. simplificamos 3(x+2)= 3x +6
3. sumamos 3x+ 2x= 5x
4. a 5x +6, le restamos 5x = 6