Respuesta :

Answer:

n= -10

Step-by-step explanation:

50-20= 30 so -3n=30. So n= -10.

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Answer:

n=-10

Step-by-step explanation:

-3n+20=50 move constant to the right hand side

-3n=50-20 subtract the numbers

-3n=30 divide both sides by -3 and the answer is n=-10

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