Respuesta :

Kaustav
8n-(2n-3)=12
8n-2n+3=12
6n=12-3
6n=9
n=9/6=3/2
dalendrk
8n - (2n - 3) = 12

8n - 2n + 3 = 12

6n + 3 = 12    |subtract 3 from both sides

6n = 9    |divide both sides by 6

n = 9/6

n = 3/2

n = 1.5