20-5n=5+2

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Solution for 20-5n=5+2 equation: 



20-5n=5+2

We move all terms to the left:

20-5n-(5+2)=0

We add all the numbers together, and all the variables

-5n+20-7=0

We add all the numbers together, and all the variables

-5n+13=0

We move all terms containing n to the left, all other terms to the right

-5n=-13

n=-13/-5

n=2+3/5

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