Your answer is probably C.
X=1.5
To get this answer you must distribute the -0.3 to the x and -4 in the parentheses. Once you distribute you should have .5x= -.3x+1.2. Next you add together both x's to get .8x=1.2. Divide .8 on both sides to get x=1.5.
The answer is Every action has an equal and opposite reaction
The correct answer should be B. living with others
I- what is happening here?