What is the solution to the equation?
T-15 = 76
1-15= 76
O f-15-15= 76+ 15
* = 91
f-15= 76
O -15+15= 76+ 15
f=91
f-15= 76
{-15-15 = 76-15
* = 61
- 15 - 76
O f-15+15= 76-15
f=61

Please help :(