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-49=-3n+2
We move all terms to the left:
-49-(-3n+2)=0
We get rid of parentheses
3n-2-49=0
We add all the numbers together, and all the variables
3n-51=0
We move all terms containing n to the left, all other terms to the right
3n=51
n=51/3
n=17
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