6g + 4(-5+4g) = 1 - g
6g - 20 + 16g = 1 - g
22g - 20 = 1 - g
22g + g = 1 + 20
23g = 21
g = 21/23 or 0.913043 in decimal form.
If you have any questions on how I got to this answer, please ask. :)
