Respuesta :
Answer:
f = 79
Step-by-step explanation:
1) move 146 to the other side so f = 225 - 146
2) solve and get f = 79
3) check answer by substituting 79 into 146 + f = 225
4) 146 + 79 = 225
Answer:
first subtract 146 to both sides of the equation next simplify the equation to get the solution
Step-by-step explanation: