8n-(2n-3)=12 solve for n
8n-(2n-3)=128n-2n+3=126n=12-36n=9n=9/6=3/2
8n - (2n - 3) = 128n - 2n + 3 = 126n + 3 = 12 |subtract 3 from both sides6n = 9 |divide both sides by 6n = 9/6n = 3/2n = 1.5