2. -6a+3=-3(2a-1) a) a=5 b) a=10 c) no solution d) identity 3. 0.5b+4=2(b+2) a) b=0 b) b=0.5 c) no solution d) identity 4. 8-(3+b)=b-9 a) 7 b) 8 c) no solution d) identity

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same