Ok So I am about to take the accuplacer college level math for a college but I do not understand this problem on the practice packet. Honestly I am blank on this problem and need help step by step on how to solve it.Please help me understand it. Thanks in advance
If a ≠ b and 1/x + 1/a= 1/b , then x =
A. 1/b – 1/a
B. b – a
C. 1/ab
D. a – b/ab
E. ab/a – b