Answer:
7(n+12)=20
Step-by-step explanation:
With these problems I like to work backwards a bit and break each piece down.
Start out with the answer being 20
So, equation=20
Now, look at the "the sum of a number and 12". In terms of an equation, this would be n+12.
The last piece is that n+12 is multiplied by 7.
Thus, 7(n+12)=20
