Answer is A.
You start by adding the 7 to the opposite side. Giving you 19. You divide both sides by -2 which gives you x on one side and -9.5 on the other.
-2x-7=12
-2x=12(+7)
-2x=19
x=19/-2
x=-9.5
Answer:
b= (-6,-7)
c= (-6,-2)
d= (0,-2)
e= (4,-7)
Step-by-step explanation: