20n-7=-2

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Solution for 20n-7=-2 equation: 



20n-7=-2

We move all terms to the left:

20n-7-(-2)=0

We add all the numbers together, and all the variables

20n-5=0

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

20n=5

n=5/20

n=1/4

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