Answer:
the y-intercept of this linear function is -8.
Explanation:
1) use distributive property to simplify the brackets on the right hand side.
y - 4 = 2x -12
2) move -4 from the left hand side, to the right hand side.
y= 2x -12 + 4
3) add -12 and 4.
y= 2x - 8