Answer:
y= 1/2x -5
Explanation:
First, you multiply 1/2 with x, and 1/2 with -2, which then makes the equation
y+4=1/2x -1
then, you have to subtract 4 from both sides of the equation and combine -1 and -4, which gets you -5.
Then the equation turns out to be
y=1/2x-5