The difference between 7 times a number and 5 is 51 which of the following equations below can be used to find the unknown number a.) 7x - 5x = 51 b.)7x + 5 = 51 c.) 7x - 5 = 51 d.) 7x * 5 = 51

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.