How can I do this I need help

Answer:
v = 175
Step-by-step explanation:
42 = 7 + v/5
35 = 7 + v/5
175 = v
You would subtract 7 on both sides to leave the V/5 on one side.
V over 5 means V is being divided by 5. So, doing the inverse operation would leave the V on it’s own.