Answer:
y =
x -

Explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
y - 3 =
( x - 12 ) ← distribute parenthesis by

y - 3 =
x -
( add 3 to both sides )
y =
x -
+

y =
x -
← in slope- intercept form