SOLUTION: {{{12a-13=35}}} {{{6n squared +7n=20}}}

Question 30483:

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
12a=35+13 or 12a=48 or a=48/12 or a=4
6n~2+7n=20 or 6n~2+7n-20=0 or (2n+5)(3n-4)=0 or 2n+5=0 OR 2N=-5 OR N=-2.5
3N-4=0 OR 3N=4 OR N=4/3 OR 1 1/3.
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