Hi there! 
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I believe your answer is: 

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Here’s why: 
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I am assuming that '3=x divided by 3' is supposed to be 
 .
.
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The first, second, and fourth equations have x divided by a number. To isolate x, we would have to use the multiplication property of equality. 
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For the third one (
 ), the variable 'x' is being subtracted by 6. We would have to use the addition property of equality to isolate x.
), the variable 'x' is being subtracted by 6. We would have to use the addition property of equality to isolate x.
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Hope this helps you. I apologize if it’s incorrect.