Given the equation
y - 4 = 3(x -2)
y - 4 = 3x - 6
y = 3x - 6 + 4
y = 3x - 2
Recall that the general equation of a straight line is
y = mx + c
where m is the slope and c is the intercept
Hence the slope of the line is 3 and the line passes through point -2.