Answer:
22
Step-by-step explanation:
g - 7 = 15
g=15+7
g=22
...
g = 22
Rearranging the equation would give you : g = 15 + 7
If you don't understand that line I will simplify it for you: g - 7 + 7 = 15 + 7
Hence g = 15 + 7
therefore g = 22