Answer:
3 miles per hour
Step-by-step explanation:
Answer:


Step-by-step explanation:
Let
x ---> the number
we know that
The algebraic expression is equal to multiply the number by 4, add 5 and equal 8
so

Solve for x
subtract 5 both sides

Divide by 4 both sides

Answer:
0
Step-by-step explanation:
0 is the identity element under addition for the real numbers.