It's like simple math but the sign of the answer would be the opposite.
|−19−(−14)|
|−19 + 14|
|- 5|
|- 5| = 5
True is the correct answer
The answer is gonna be 15
12y = - 2x - 1
y = - 1/6x - 1/12
- 1/6 × m2 = - 1
m2 = 6
9 = 6(0) + c
c = 9
y = 6x + 9