Respuesta :

MidoriakawiiX3

Answer:

n=-9

Step-by-step explanation:

subtract 19 to both sides

19-19=0

10-19=(-9)

n=-9

to verify add 19+(-9)=10

hope this helps :3

if it did pls mark brainliest

ssevenhorcruxes
n = -9
10 = n + 19
n + 19 = 10
n + 19 - 19 = 10 - 19
n = -9

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