Step-by-step explanation:
distance must be given
average speed is distance and time
Answer:
x=2
2x+4=8
2x+4-4=8-4
2x=4
2x/2=4/2
The answer is 4!
2 + 2 can be rewritten as 1+1+1+1
both equal 4
x=2/5 or
x=0.4
