12 = 4 - 1/4x
switch sides : 4 - 1/4x = 12
subtract 4 : 4 - 1/4x - 4 = 12 - 4
simplify : - 1/4x = 8
multiply by -4 : ( -1/4x) (-4) = 8 (-4)
answer : x = -32
