Question 1209202
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-6n+12 is the same as 12 + (-6n) or simply 12-6n


Think of the template a+b = b+a which says we can add two numbers in any order.
In this case a = -6n and b = 12.



To solve -6(-2+n) = 102, you could distribute to get 12-6n = 102
Or 
You could divide both sides by -6 to get -2+n = -17


I'll let the student finish up.
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