Respuesta :

Both angles are the same so you do
5n-20=3n
-20=3n-5n
-20= -2n
n= -20 divide by -2
So n is -2
kngubeni217

Answer:

n=10

Step-by-step explanation:

5n-20=3n

5n-3n=20

2n=20

n=20÷2

n=10

hope I helped you

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