Hey there!
In the equation mentioned,
f represents function.
Hope my answer helps!
57 + x + x + 130 = 167
57 + 2x + 130 = 167
187 + 2x = 167
- 187 - 187
---------------------------
2x = -20
------ -------
2 2
x = -10
These numbers from least to greatest would be: 4.72, 4.74, 4.98
