Vita, this is the solution:
9 + 3.5g = 11 - 0.5g
Like terms:
3.5g + 0.5g = 11 - 9
4g = 2
Dividing by 4 at both sides:
4g/4 = 2/4
g = 1/2 or g = 0.5
Let's prove g = 1/2 is correct, as follows:
9 + 3.5 (1/2) = 11 - 0.5 (1/2)
9 + 1.75 = 11 - 0.25
10.75 = 10.75
Therefore, g = 1/2 or g = 0.5 is correct
