Answer:
a=7.85-1/2^b
Step-by-step explanation:
2a=15.7-b Move variable to the right side and change its sign
2a=15.7-b Divide both sides of the equation by 2
a=7.85-1/2^b The final solution for a is
Yesyesyes thank you have an amazing day!
Answer:
the probability that he will not win is 2/5 cause it's just the chance that he doesn't win