7 yrds/sec because in the course of two seconds, he runs 14 yrds divide that by 2 to get 7 yrds/sec. you can allo chech with the next time which is 3 seconds more and he goes 21 yards more.
Answer:
I love algebra anyways
The ans is x=3 steps is in the picture with the ans
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
Answer:
Can u add the pic and I’ll answer it
Step-by-step explanation:
Because when you subtract a negative number the signs cancel out and become and addition problems