If 5 + 7/X = 6 - 5/X, then X =	Answers.
A) 7  B) 14  C) 12  D) 6 / 7  E) 5

Rationale: we ' re given the equation 5 + 7 / x = 6 - 5 / x . we ' re asked for the value of x . the common - denominator of these 4 numbers is x , so we need to multiply both sides of the equation by x , giving us . . . 5 x + 7 x / x = 6 x - 5 x / x we can then eliminate that denominator , which gives us . . . . 5 x + 7 = 6 x - 5 12 = x c
Answer: C