Respuesta :

wegnerkolmp2741o

Answer:

2n+7 = n+3

n=-4

Step-by-step explanation:

the sum of twice a number and 7  is equal to the sum of the number and 3

2n+7 = n+3

subtract n from each side

n+7 =3

subtract 7 from each side

n = 3-7

n = -4

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