Answer:
Step-by-step explanation: so first solve the zs so add 7z and 5z and you get 12 so replace 7 with 12 and work it out from there
Answer:
x=3
Step-by-step explanation:
move the constant to the right hand side and change
25 in total what do you mean
Answer:
5 hours.
Step-by-step explanation:
5 hours * 60km = 300km in 5 hours.
