<span>4x•2-12x=7
Subtract 12x from 4x
-8x*2=7
Divide 2 on both sides
-8x=3.5
Divide both sides by -8
Final Answer: x= -0.4375</span>
The answer is b since there are two different letters
It can be rounded to 270,000 because 4 is less than half. (4 and below drops it down)