Answer: a
Step-by-step explanation:
-3x-2-6x=-4-<em>(-4x)</em>+12
-9x-2=-16x+12
7x=14
x=2.
You probably got confused with the italicized part.
Answer:
D
Incorrect
The fraction of 6/12 all squared gives 36/144 36/36 and 144/36 reduces to 1/4.