Question

1/3 - 3 (2/7x - 4) Which of the expressions are equivalent to the expression above? A) 1/3 - (3)(2/7x)-(3)(4) B) 1/3 - 6/7x + 12 C) -11 2/3 - 6/7x D) 12 1/3 - 6/7x E) 1/3 - 6(1/7x - 2) F) 1/3 + (-3)(2/7x) -(3)(4)

Answer 1

1/3 - 3 (2/7x - 4)

distribute                                              factor out a 2

1/3 - 3* 2/7 x - 3*(-4)                                  1/2 - 6 (1/7x-2)    Choice E

1/3 - 3* 2/7 x + 12      Choice B

12 1/3 - 6/7 x  Choice D

Answers:   B,D,E