Expanding and simplifying the equation:
-3n + 12 = 8 - 2n
Combining like terms:
-3n + 2n = 8 - 12
-n = -4
To isolate n, we can multiply both sides of the equation by -1 (which changes the sign of both sides):
-(-n) = (-4)(-1)
n = 4
-3(n-4)=8-2n
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