Answer:
a= -27
Step-by-step explanation:
The other answer I had was wrong so..
// have a great day //
-2/3 a - 6 = 12
+6 +6
-2/3 a = 18
divide by -2/3 on both sides
a = -27.00027
CHECK
-2/3 ( -27.00027) -6 = 12
18.00018 -6 = 12
12.00018 about 12 SO YES ITS CORRECT
