11.7-(12.7g-23.87)=34
11.7-12.7g+23.87=34
-12.7g=34-11.7-23.87
-12.7g=-1,57
g=-1,57/-12.7
g=0,12362204724
11.7-(12.7g-23.87)=34
11.7-12.7g+23.87=34
-12.7g=34-11.7-23.87
-12.7g=-1,57
g=-1,57/-12.7
g=0,12362204724