Respuesta :
7x-2=-23 add 2 to both sides to get 7x by itself
7x=-23+2 now add the right side
7x=-21 now divide both sides by 7
x=-21/7
x=-3
7x=-23+2 now add the right side
7x=-21 now divide both sides by 7
x=-21/7
x=-3
7x - 2 = -23 The two is crossed out (-2+2)
+ 2 +2
-------------------
7x = -21
--- ------
7 7
x = -3
+ 2 +2
-------------------
7x = -21
--- ------
7 7
x = -3
