- 4( - 3x + 7) = - 172

Asked by AnneS2 11 years ago 10/26/2013 6:01 AM

Last updated by anonymous 11 years ago 10/27/2013 11:44 AM

Answered by CherieS 11 years ago 10/27/2013 11:44 AM

- 4( - 3x ) (-4)(+ 7) = - 172

12x-28=-172

12x-28+28=-172+28

12x=-144

12x/12=-144/12

x=-12