Question 531052
{{{12n-7-3n=11}}} Start with the given equation.



{{{9n-7=11}}} Combine like terms on the left side.



{{{9n=11+7}}} Add {{{7}}} to both sides.



{{{9n=18}}} Combine like terms on the right side.



{{{n=(18)/(9)}}} Divide both sides by {{{9}}} to isolate {{{n}}}.



{{{n=2}}} Reduce.



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Answer:


So the solution is {{{n=2}}} 



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