How would you solve (x-3)/7 = -2 ?
What you want to do is get "x" by itself...
What I would do:
(x-3)/7=-2
(7)((x-3)/7)=-2(7)
x-3=-14
x-3+3=-14+3
x=-11
(x-3)/7 = -2
+3 +3
7 * x/7 = 1
x 7
x = 7