Question

-6n-20=-2n+4-12n как решить

Answer 1

-6n-20=-2n+4-12n

-6n-20=-14n+4

-6n+14n=4+20

8m=24

n=3

Answer 2

Ответ:

$-6n-20=-2n+4-12n\\\\-6n+2n+12n=4+20\\\\8n=24\\\\n=24:8\\\\n=3$