F(7) means f(x) when x = 7. The x is replaced with 7.
So we'll replace every x with 7 to go from x = 7 to 3-x = 3-7 = -4
Put another way
f(x) = 3-x
f(7) = 3-7
f(7) = -4
Answer: -4
Answer:
16 fits but not evenly
Step-by-step explanation:
16 times 3 equals 48 and 17 times 3 equal is 51 so someone didnt go 3 times.
Your expression would be

because of the order of operations this expression is valid to the world problem
2,100 (35 times 60) is the answer
Answer:
2.8+.55x=5 x=4
Step-by-step explanation:
5-2.8=2.2
2.2/.55=4