Solve for g.

2g = - 7g + 9

Solve for g:

2 g = 9 - 7 g

Add 7 g to both sides:

2 g + 7 g = (7 g - 7 g) + 9

7 g - 7 g = 0:

2 g + 7 g = 9

2 g + 7 g = 9 g:

9 g = 9

Divide both sides of 9 g = 9 by 9:

(9 g) / 9 = 9/9

9/9 = 1:

g = 9/9

9/9 = 1:

Answer: g = 1