Question

Solve -3b + ac =c - 4 for c

Answer 1

Add 3b to both sides


`ac=c-4+3b`

Subtract c from both sides


`ac-c=-4+3b`

Regroup terms


`ac-c=3b-4`

Factor out the common term c


`c(a-1)=3b-4`

Divide both sides by a-1


`c= (3b-4)/(a-1)`

Answer 2

I hope this helps you