Answer:
x = -9.5
Step-by-step explanation:
multiply both sides by -1 to remove the negatives, leaving
-2x-4 = 15
-2x -4 + 4 = 15 + 4
-2x = 19
-2 -2
check: -[(-2·-9.5)-4] = -15
-15 = -15
